WO2018153171A1 - Oscillation control circuit of ultrasonic atomization sheet and ultrasonic electronic cigarette - Google Patents

Oscillation control circuit of ultrasonic atomization sheet and ultrasonic electronic cigarette Download PDF

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WO2018153171A1
WO2018153171A1 PCT/CN2018/071513 CN2018071513W WO2018153171A1 WO 2018153171 A1 WO2018153171 A1 WO 2018153171A1 CN 2018071513 W CN2018071513 W CN 2018071513W WO 2018153171 A1 WO2018153171 A1 WO 2018153171A1
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capacitor
resistor
module
electrically
grounded
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PCT/CN2018/071513
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French (fr)
Chinese (zh)
Inventor
刘建福
钟科军
郭小义
黄炜
于宏
代远刚
尹新强
易建华
操广平
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湖南中烟工业有限责任公司
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Priority to CN201720171235.6 priority Critical
Priority to CN201720170890.XU priority patent/CN206472855U/en
Priority to CN201720170890.X priority
Priority to CN201720171235.6U priority patent/CN206482029U/en
Priority to CN201720171231.8 priority
Priority to CN201720171231.8U priority patent/CN206482028U/en
Application filed by 湖南中烟工业有限责任公司 filed Critical 湖南中烟工业有限责任公司
Publication of WO2018153171A1 publication Critical patent/WO2018153171A1/en

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F47/00Smokers' requisites not otherwise provided for
    • A24F47/002Simulated smoking devices, e.g. imitation cigarettes
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/05Devices without heating means
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50Control or monitoring
    • A24F40/53Monitoring, e.g. fault detection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M2001/0003Details of control, feedback and regulation circuits
    • H02M2001/0009Devices and circuits for detecting current in a converter
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M2001/0067Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M2001/007Plural converter units in cascade
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M2007/4815Resonant converters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Abstract

Disclosed are an oscillation control circuit of an ultrasonic atomization sheet, and an ultrasonic electronic cigarette, the oscillation control circuit comprising a direct-current boost module (4), a separately excited excitation module (3) and a microcontroller (2), wherein a power supply module (1) is connected to the ultrasonic atomization sheet (J) by means of the direct-current boost module (4) and the separately excited excitation module (3), and the separately excited excitation module (3) is electrically connected to the microcontroller (2); further comprising a voltage detection module (5), wherein the ultrasonic atomization sheet (J) is electrically connected to the microcontroller (2) by means of the voltage detection module (5); and further comprising a frequency detection module (7), wherein the frequency detection module (7) is connected to the separately excited excitation module (3), and the frequency detection module (7) is connected to the microcontroller (2). The oscillation control circuit of the ultrasonic atomization sheet uses the separately excited excitation module (3) to control the oscillation work of the ultrasonic atomization sheet (J), so that the ultrasonic atomization sheet (J) maintains a resonant state, thus eliminating the influence of the temperature on the working efficiency of the ultrasonic atomization sheet (J), and achieving a high atomization efficiency, large smoke amount and low circuit dissipation. A circuit board will not easily generate heat and has a small volume, low costs, good circuit stability, reliability and safety; and the ultrasonic atomization sheet (J) has a long service life.

Description

一种超声雾化片振荡控制电路及超声波电子烟Ultrasonic atomizing sheet oscillation control circuit and ultrasonic electronic cigarette 技术领域Technical field

本发明特别涉及一种超声雾化片振荡控制电路及超声波电子烟。The invention particularly relates to an ultrasonic atomizing sheet oscillation control circuit and an ultrasonic electronic cigarette.

背景技术Background technique

现有超声波电子烟中超声雾化片的振荡控制电路均采用自激式激励模块,也即采用通用的电容三点式、电感三点式振荡电路,超声雾化片的雾化效率低、电路损耗大,电路板易发热而损坏相应的电子元器件,同时还需要很多散热片进行散热,增加体积和成本。The oscillation control circuit of the ultrasonic atomizing sheet in the existing ultrasonic electronic cigarette adopts a self-excited excitation module, that is, a general-purpose capacitor three-point type and an inductor three-point oscillation circuit, the atomization efficiency of the ultrasonic atomizing sheet is low, the circuit loss is large, and the circuit The board is prone to heat and damages the corresponding electronic components, and also requires a lot of heat sinks for heat dissipation, increasing volume and cost.

同时,现有的超声雾化片振荡控制电路不能监测超声雾化片的工作状态,当超声雾化片干烧或泡油时,自激式激励模块仍然会持续激励超声雾化片工作,严重影响超声雾化片的使用寿命,使用成本高。At the same time, the existing ultrasonic atomizing sheet oscillation control circuit can not monitor the working state of the ultrasonic atomizing sheet. When the ultrasonic atomizing sheet is dry or foamed, the self-excited excitation module will continue to excite the ultrasonic atomizing sheet to work, which is serious. Affect the service life of the ultrasonic atomized sheet, and the use cost is high.

此外,由于温度等因素会改变超声雾化片的谐振频率,而现有的振荡控制电路中,超声雾化片的工作频率都是固定不变的,因此现有的超声雾化片实质上无法达到谐振状态,雾化效率低,烟雾量小。In addition, due to factors such as temperature, the resonant frequency of the ultrasonic atomizing sheet is changed. However, in the existing oscillation control circuit, the operating frequency of the ultrasonic atomizing sheet is fixed, so the existing ultrasonic atomizing sheet is substantially impossible. Reaching the resonance state, the atomization efficiency is low, and the amount of smoke is small.

发明内容Summary of the invention

现有超声波电子烟中超声雾化片的振荡控制电路均采用自激式激励模块,雾化效率低、电路损耗大,电路板易发热而损坏相应的电子元器件;当超声雾化片干烧或泡油时仍然工作,寿命低,成本高;无法达到谐振状态。本发明的目的在于,针对上述现有技术的不足,提供一种超声雾化片振荡控制电路及超声波电子烟,采用他激式激励模块控制超声雾化片振荡工作,超声雾化片能始终在谐振点工作,超声雾化片的工作效率高、电路损耗低、电路板不易发热、体积小,当超声雾化片干烧或泡油时不工作,寿命长、成本低。The oscillation control circuit of the ultrasonic atomizing sheet in the existing ultrasonic electronic cigarette adopts a self-excited excitation module, the atomization efficiency is low, the circuit loss is large, the circuit board is easy to generate heat and damage the corresponding electronic components; when the ultrasonic atomizing sheet is dry-fired Or work when foaming, low life, high cost; unable to reach resonance. The object of the present invention is to provide an ultrasonic atomizing sheet oscillation control circuit and an ultrasonic electronic cigarette according to the above-mentioned deficiencies of the prior art, and use the excitation excitation module to control the oscillation operation of the ultrasonic atomizing sheet, and the ultrasonic atomizing sheet can always be The resonance point works, the ultrasonic atomizing sheet has high working efficiency, low circuit loss, the circuit board is not easy to generate heat, and the volume is small. When the ultrasonic atomizing sheet is dry or foamed, it does not work, and the life is long and the cost is low.

为解决上述技术问题,本发明所采用的技术方案是:In order to solve the above technical problems, the technical solution adopted by the present invention is:

一种超声雾化片振荡控制电路,其结构特点是包括直流升压模块、他激式激励模块和微控制器,电源模块依次通过直流升压模块和他激式激励模块与超声雾化片电连接,他激式激励模块的控制端与微控制器的第一输出端电连接。An ultrasonic atomizing sheet oscillation control circuit, the structural features of which include a DC boosting module, a heuristic excitation module and a microcontroller, and the power module sequentially passes through a DC boosting module and a boosting excitation module and an ultrasonic atomizing chip. Connected, the control terminal of the excitation module is electrically connected to the first output of the microcontroller.

借由上述结构,电源模块通过直流升压模块将电压升压至超声雾化片所需要的电压值,然后微控制器产生PWM信号控制他激式激励模块工作,使他激式激励模块的激励振荡频率和超声雾化片的固有频 率一致,从而使超声雾化片达到谐振状态,不断地振荡雾化烟油,从而产生烟雾供用户吸食。本发明采用他激式激励模块来激励超声雾化片振荡工作,超声雾化片的工作效率高、烟雾量大、电路损耗低,从而避免因电路板发热而损坏相应的电子元器件,省去大量的散热片结构,使得体积大为减小,使用成本大为降低,同时电路稳定,可靠安全。With the above structure, the power module boosts the voltage to the voltage value required by the ultrasonic atomizing sheet through the DC boosting module, and then the microcontroller generates a PWM signal to control the operation of the excitation module, so that the excitation of the excitation module is excited. The oscillation frequency is consistent with the natural frequency of the ultrasonic atomizing sheet, so that the ultrasonic atomizing sheet reaches a resonance state, and the atomized smoke oil is constantly oscillated, thereby generating smoke for the user to suck. The invention adopts the excitation excitation module to excite the ultrasonic atomizing sheet to oscillate, and the ultrasonic atomizing sheet has high working efficiency, large amount of smoke and low circuit loss, thereby avoiding damage to the corresponding electronic components due to heat generation of the circuit board, and eliminating the need for A large number of heat sink structures make the volume greatly reduced, the use cost is greatly reduced, and the circuit is stable, reliable and safe.

进一步地,还包括电压检测模块,超声雾化片通过电压检测模块与微控制器的第一输入端电连接。Further, a voltage detecting module is further included, and the ultrasonic atomizing piece is electrically connected to the first input end of the microcontroller through the voltage detecting module.

借由上述结构,电源模块通过直流升压模块将电压升压至超声雾化片所需要的电压值,然后微控制器产生PWM信号控制他激式激励模块工作,使他激式激励模块的激励振荡频率和超声雾化片的固有频率一致,从而使超声雾化片达到谐振状态,不断地振荡雾化烟油,从而产生烟雾供用户吸食。电压检测模块用于将超声雾化片的工作电流信号转换成电压信号,同时电压检测模块将检测到的电压信号传输给微控制器,微控制器对两相邻时刻接收到的电压值进行比较,抓出最大电压值作为超声雾化片的完全谐振点,然后微控制器控制他激式激励模块以该完全谐振点所需的频率输出,从而使得超声雾化片处于一个完全谐振状态。电压检测模块不断地检测,从而使超声雾化片一直高效工作。本发明采用他激式激励模块来激励超声雾化片振荡工作,超声雾化片一直处于谐振状态,超声雾化片的工作效率高、烟雾量大、电路损耗低,从而避免因电路板发热而损坏相应的电子元器件,省去大量的散热片结构,使得体积大为减小,使用成本大为降低,同时电路稳定,可靠安全。With the above structure, the power module boosts the voltage to the voltage value required by the ultrasonic atomizing sheet through the DC boosting module, and then the microcontroller generates a PWM signal to control the operation of the excitation module, so that the excitation of the excitation module is excited. The oscillation frequency is consistent with the natural frequency of the ultrasonic atomizing sheet, so that the ultrasonic atomizing sheet reaches a resonance state, and the atomized smoke oil is constantly oscillated, thereby generating smoke for the user to suck. The voltage detecting module is configured to convert the working current signal of the ultrasonic atomizing sheet into a voltage signal, and the voltage detecting module transmits the detected voltage signal to the microcontroller, and the microcontroller compares the voltage values received at two adjacent moments. The maximum voltage value is captured as the complete resonance point of the ultrasonic atomizing sheet, and then the microcontroller controls the excitation output module to output at the frequency required for the complete resonance point, so that the ultrasonic atomizing sheet is in a completely resonant state. The voltage detection module continuously detects so that the ultrasonic atomizing sheet always works efficiently. The invention adopts the excitation excitation module to excite the ultrasonic atomization piece to oscillate, and the ultrasonic atomization piece is always in a resonance state, and the ultrasonic atomization piece has high working efficiency, large amount of smoke and low circuit loss, thereby avoiding heat generation due to the circuit board. Damage to the corresponding electronic components, eliminating a large number of heat sink structures, resulting in greatly reduced volume, greatly reduced cost of use, while the circuit is stable, reliable and safe.

进一步地,还包括频率检测模块,频率检测模块的检测端与他激式激励模块电连接,频率检测模块的输出端与微控制器的第二输入端电连接。Further, the method further includes a frequency detecting module, wherein the detecting end of the frequency detecting module is electrically connected to the excitation module, and the output end of the frequency detecting module is electrically connected to the second input end of the microcontroller.

借由上述结构,电源模块通过直流升压模块将电压升压至超声雾化片所需要的电压值,然后微控制器产生PWM信号控制他激式激励模块工作,使他激式激励模块的激励振荡频率和超声雾化片的固有频率一致,从而使超声雾化片达到谐振状态,不断地振荡雾化烟油,从而产生烟雾供用户吸食。电压检测模块用于将超声雾化片的工作电流信号转换成电压信号并检测,同时电压检测模块将检测到的电压信号传输给微控制器,微控制器对两相邻时刻接收到的电压值进行比较,抓出最大电压值作为超声雾化片的完全谐振点,然后微控制器控制他 激式激励模块以该完全谐振点所需的频率输出,从而使得超声雾化片处于一个完全谐振状态。电压检测模块不断地检测,从而使超声雾化片一直高效工作。本发明采用他激式激励模块来激励超声雾化片振荡工作,超声雾化片一直处于谐振状态,超声雾化片的工作效率高、烟雾量大、电路损耗低,从而避免因电路板发热而损坏相应的电子元器件,省去大量的散热片结构,使得体积大为减小,使用成本大为降低,同时电路稳定,可靠安全。With the above structure, the power module boosts the voltage to the voltage value required by the ultrasonic atomizing sheet through the DC boosting module, and then the microcontroller generates a PWM signal to control the operation of the excitation module, so that the excitation of the excitation module is excited. The oscillation frequency is consistent with the natural frequency of the ultrasonic atomizing sheet, so that the ultrasonic atomizing sheet reaches a resonance state, and the atomized smoke oil is constantly oscillated, thereby generating smoke for the user to suck. The voltage detecting module is configured to convert the working current signal of the ultrasonic atomizing sheet into a voltage signal and detect, and the voltage detecting module transmits the detected voltage signal to the microcontroller, and the voltage value received by the microcontroller at two adjacent moments Comparing, the maximum voltage value is taken as the complete resonance point of the ultrasonic atomizing sheet, and then the microcontroller controls the excitation output module to output the frequency required for the complete resonance point, so that the ultrasonic atomizing sheet is in a complete resonance state. . The voltage detection module continuously detects so that the ultrasonic atomizing sheet always works efficiently. The invention adopts the excitation excitation module to excite the ultrasonic atomization piece to oscillate, and the ultrasonic atomization piece is always in a resonance state, and the ultrasonic atomization piece has high working efficiency, large amount of smoke and low circuit loss, thereby avoiding heat generation due to the circuit board. Damage to the corresponding electronic components, eliminating a large number of heat sink structures, resulting in greatly reduced volume, greatly reduced cost of use, while the circuit is stable, reliable and safe.

由于在超声雾化片工作的过程中,超声雾化片自身产生的温度在不断变化,当在温度波动的情况下,由于电压检测系统检测到的电压值有一定延迟,因而在温度波动的情况下,即使电压检测系统检测到的电压值为峰值,也不能保证超声雾化片始终处于谐振状态。为了避免温度对超声雾化片工作的影响,本发明增加了频率检测模块,用于追踪他激式激励模块的输出频率与超声雾化片的工作频率的关系并反馈给微控制器,从而微控制器调节他激式激励模块的输出频率为超声雾化片的工作频率,使得超声雾化片始终在谐振点工作,雾化效率高,烟雾量大。Since the temperature generated by the ultrasonic atomizing sheet itself is constantly changing during the operation of the ultrasonic atomizing sheet, when the temperature is fluctuating, the temperature value is fluctuated due to a certain delay of the voltage value detected by the voltage detecting system. Under the above, even if the voltage value detected by the voltage detecting system is a peak value, there is no guarantee that the ultrasonic atomizing sheet is always in a resonance state. In order to avoid the influence of temperature on the operation of the ultrasonic atomizing sheet, the invention adds a frequency detecting module for tracking the relationship between the output frequency of the excitation module and the operating frequency of the ultrasonic atomizing sheet and feeding back to the microcontroller, thereby The controller adjusts the output frequency of the excitation excitation module to the operating frequency of the ultrasonic atomization sheet, so that the ultrasonic atomization sheet always works at the resonance point, the atomization efficiency is high, and the amount of smoke is large.

进一步地,还包括电流检测模块,直流升压模块通过电流检测模块与他激式激励模块电连接,电流检测模块的输出端与微控制器的第三输入端电连接。Further, the method further includes a current detecting module, wherein the DC boosting module is electrically connected to the excitation module by the current detecting module, and the output end of the current detecting module is electrically connected to the third input end of the microcontroller.

在超声雾化片工作过程中,电流检测模块不断检测供电电路的电流,当检测的电流值比预设电流值大时(例如超声雾化片干烧或泡油时),微控制器控制他激式激励模块停止激励超声雾化片工作。在电路中增加电流检测模块,使电路稳定性好,可靠安全,及时保护超声雾化片,防止超声雾化片被损坏。During the operation of the ultrasonic atomizing sheet, the current detecting module continuously detects the current of the power supply circuit, and when the detected current value is greater than the preset current value (for example, when the ultrasonic atomizing sheet is dry or foamed), the microcontroller controls him. The excitation mode module stops energizing the ultrasonic atomizer. The current detecting module is added in the circuit to make the circuit stable, reliable and safe, and protect the ultrasonic atomizing sheet in time to prevent the ultrasonic atomizing sheet from being damaged.

进一步地,所述直流升压模块的控制端与微控制器的第二输出端电连接。Further, the control end of the DC boost module is electrically connected to the second output end of the microcontroller.

借由上述结构,本发明适用于不同规格的超声雾化片,通过微控制器调节直流升压模块的输出电压、通过微控制器调节他激式激励模块的输出频率,使得不同规格的超声雾化片均能达到谐振状态。With the above structure, the present invention is applicable to ultrasonic atomizing sheets of different specifications, the output voltage of the DC boosting module is adjusted by the microcontroller, and the output frequency of the excitation module is adjusted by the microcontroller to make ultrasonic mist of different specifications. The film can reach the resonance state.

作为一种优选方式,所述他激式激励模块包括第一二极管、第二二极管、第一电容、第一电感和第一MOS管,所述第一二极管的阳极与直流升压模块的输出端电连接,第一二极管的阴极依次通过第一电感、第一电容和第二二极管接地,超声雾化片并联在第二二极管两端,第一MOS管的漏极接入第一电感与第一电容之间,第一MOS 管的源极接地,第一MOS管的栅极与微控制器的第一输出端电连接。In a preferred mode, the excitation device includes a first diode, a second diode, a first capacitor, a first inductor, and a first MOS transistor, and the anode and the DC of the first diode The output end of the boosting module is electrically connected, the cathode of the first diode is sequentially grounded through the first inductor, the first capacitor and the second diode, and the ultrasonic atomizing sheet is connected in parallel at both ends of the second diode, the first MOS The drain of the tube is connected between the first inductor and the first capacitor, the source of the first MOS transistor is grounded, and the gate of the first MOS transistor is electrically connected to the first output of the microcontroller.

作为另一种优选方式,所述他激式激励模块包括电阻、第二电容、第三电容、第二电感和第二MOS管,直流升压模块依次通过第二电感、第三电容和第二电容接地,第二MOS管的漏极接入第二电感与第三电容之间,第二MOS管的源极通过电阻接地,第二MOS管的栅极与微控制器的第一输出端电连接,超声雾化片的一端接入第二电容与第三电容之间,超声雾化片的另一端接入第二MOS管的漏极与电阻之间。In another preferred mode, the excitation module includes a resistor, a second capacitor, a third capacitor, a second inductor, and a second MOS transistor, and the DC boost module sequentially passes through the second inductor, the third capacitor, and the second The capacitor is grounded, the drain of the second MOS transistor is connected between the second inductor and the third capacitor, the source of the second MOS transistor is grounded through the resistor, and the gate of the second MOS transistor is electrically connected to the first output of the microcontroller. Connected, one end of the ultrasonic atomizing sheet is connected between the second capacitor and the third capacitor, and the other end of the ultrasonic atomizing sheet is connected between the drain of the second MOS tube and the resistor.

作为一种优选方式,所述他激式激励模块包括线性降压芯片、反相器、第一NPN型三极管、第二NPN型三极管和MOS管,电源模块通过第一电容接地,线性降压芯片的输入端接入电源模块与第一电容之间,线性降压芯片的输出端通过第二电容接地,线性降压芯片的输出端还依次通过二极管与第三电容接地,第二NPN型三极管的集电极通过第一电阻与线性降压芯片的输出端电连接,第二NPN型三极管的发射极依次通过第二电阻和第三电阻接地,第二NPN型三极管的基极通过第四电阻与反相器的输出端电连接,第一NPN型三极管的集电极与第二NPN型三极管的发射极电连接,第一NPN型三极管的基极与第二NPN型三极管的基极电连接,第一NPN型三极管的基极通过第五电阻接地,第一NPN型三极管的发射极接地;第六电阻接在反相器的第一输入端与反相器的第二输入端之间,反相器的第二输入端通过第七电阻与反相器的工作电源正端电连接,反相器的工作电源正端接入二极管与第三电容之间;微控制器的第一输出端与反相器的第二输入端电连接;直流升压模块依次通过电感、第四电容和第五电容接地,MOS管的漏极接入电感与第四电容之间,MOS管的栅极接入第二电阻与第三电阻之间,超声雾化片的第一端接入第四电容与第五电容之间,超声雾化片的第二端和MOS管的源极均与电压检测模块电连接。As a preferred mode, the excitation excitation module comprises a linear buck chip, an inverter, a first NPN transistor, a second NPN transistor and a MOS transistor, and the power module is grounded through the first capacitor, and the linear step-down chip The input end is connected between the power module and the first capacitor, and the output end of the linear buck chip is grounded through the second capacitor, and the output end of the linear buck chip is grounded through the diode and the third capacitor in turn, and the second NPN type triode is The collector is electrically connected to the output end of the linear buck chip through the first resistor, the emitter of the second NPN transistor is grounded through the second resistor and the third resistor in turn, and the base of the second NPN transistor passes through the fourth resistor and the opposite The output end of the phase device is electrically connected, the collector of the first NPN transistor is electrically connected to the emitter of the second NPN transistor, and the base of the first NPN transistor is electrically connected to the base of the second NPN transistor, first The base of the NPN transistor is grounded through a fifth resistor, and the emitter of the first NPN transistor is grounded; the sixth resistor is connected between the first input of the inverter and the second input of the inverter, The second input end of the device is electrically connected to the positive terminal of the working power supply of the inverter through the seventh resistor, and the positive terminal of the working power supply of the inverter is connected between the diode and the third capacitor; the first output end of the microcontroller is opposite The second input end of the phase device is electrically connected; the DC boosting module is grounded through the inductor, the fourth capacitor and the fifth capacitor in sequence, and the drain of the MOS transistor is connected between the inductor and the fourth capacitor, and the gate of the MOS transistor is connected. Between the second resistor and the third resistor, the first end of the ultrasonic atomizing sheet is connected between the fourth capacitor and the fifth capacitor, and the second end of the ultrasonic atomizing sheet and the source of the MOS tube are electrically connected to the voltage detecting module. .

作为一种优选方式,所述电压检测模块包括第六电容、第七电容、第八电容、第八电阻、第九电阻和第十电阻,超声雾化片的第二端和MOS管的源极均通过第十电阻接地,超声雾化片的第二端和MOS管的源极均依次通过第九电阻和第八电阻与微控制器的第一输入端电连接;第六电容的一端接在第八电阻与微控制器的第一输入端之间,第六电容的另一端接地;第七电容的一端和第八电容的一端均接在第八电阻与第九电阻之间,第七电容的另一端和第八电容的另一端 均接地。In a preferred embodiment, the voltage detecting module includes a sixth capacitor, a seventh capacitor, an eighth capacitor, an eighth resistor, a ninth resistor, and a tenth resistor, and the second end of the ultrasonic atomizing sheet and the source of the MOS transistor Both are grounded through the tenth resistor, and the second end of the ultrasonic atomizing sheet and the source of the MOS tube are electrically connected to the first input end of the microcontroller through the ninth resistor and the eighth resistor in sequence; one end of the sixth capacitor is connected Between the eighth resistor and the first input end of the microcontroller, the other end of the sixth capacitor is grounded; one end of the seventh capacitor and one end of the eighth capacitor are connected between the eighth resistor and the ninth resistor, and the seventh capacitor The other end and the other end of the eighth capacitor are both grounded.

作为一种优选方式,所述电流检测模块包括运算放大器、第九电容、第十电容、第十一电容、第十二电容、第十一电阻、第十二电阻、第十三电阻和第十四电阻,第九电容的一端和第十电容的一端均接在直流升压模块与第十一电阻的一端之间,第九电容的另一端和第十电容的另一端均接地,第十一电阻的另一端与他激式激励模块相连且通过第十四电阻与运算放大器的反相输入端电连接,运算放大器的同相输入端通过第十二电阻与直流升压模块电连接,运算放大器的输出端通过第十三电阻与微控制器的第三输入端电连接,微控制器的第三输入端还通过第十一电容接地;运算放大器的工作电源正端通过第十二电容接地。As a preferred mode, the current detecting module includes an operational amplifier, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, an eleventh resistor, a twelfth resistor, a thirteenth resistor, and a tenth The fourth resistor, one end of the ninth capacitor and one end of the tenth capacitor are connected between the DC boost module and one end of the eleventh resistor, and the other end of the ninth capacitor and the other end of the tenth capacitor are grounded, the eleventh The other end of the resistor is connected to the excitation module and is electrically connected to the inverting input of the operational amplifier through the fourteenth resistor. The non-inverting input of the operational amplifier is electrically connected to the DC boost module through the twelfth resistor, and the operational amplifier is The output terminal is electrically connected to the third input end of the microcontroller through the thirteenth resistor, and the third input end of the microcontroller is also grounded through the eleventh capacitor; the positive terminal of the operational power supply of the operational amplifier is grounded through the twelfth capacitor.

作为另一种优选方式,所述电流检测模块包括霍尔电流传感器、第十三电容、第十四电容、第十五电容、第十六电容和第十五电阻,第十三电容的一端和第十四电容的一端均与直流升压模块电连接,第十三电容的另一端和第十四电容的另一端均接地,直流升压模块通过霍尔电流传感器与他激式激励模块电连接,霍尔电流传感器的输出端依次通过第十五电阻和第十六电容接地,微控制器的第三输入端接在第十五电阻与第十六电容之间,霍尔电流传感器的工作电源正端通过第十五电容接地。In another preferred mode, the current detecting module includes a Hall current sensor, a thirteenth capacitor, a fourteenth capacitor, a fifteenth capacitor, a sixteenth capacitor, and a fifteenth resistor, one end of the thirteenth capacitor and One end of the fourteenth capacitor is electrically connected to the DC boosting module, the other end of the thirteenth capacitor and the other end of the fourteenth capacitor are grounded, and the DC boosting module is electrically connected to the other excitation module through the Hall current sensor. The output of the Hall current sensor is grounded through the fifteenth resistor and the sixteenth capacitor in turn, and the third input end of the microcontroller is connected between the fifteenth resistor and the sixteenth capacitor, and the working current of the Hall current sensor The positive terminal is grounded through the fifteenth capacitor.

作为一种优选方式,所述他激式激励模块包括线性降压芯片、反相器、第一NPN型三极管、第二NPN型三极管和MOS管,电源模块通过第一电容接地,线性降压芯片的输入端接入电源模块与第一电容之间,线性降压芯片的输出端通过第二电容接地,线性降压芯片的输出端还依次通过第一二极管与第三电容接地,第二NPN型三极管的集电极通过第一电阻与线性降压芯片的输出端电连接,第二NPN型三极管的发射极依次通过第二电阻和第三电阻接地,第二NPN型三极管的基极通过第四电阻与反相器的输出端电连接,第一NPN型三极管的集电极与第二NPN型三极管的发射极电连接,第一NPN型三极管的基极与第二NPN型三极管的基极电连接,第一NPN型三极管的基极通过第五电阻接地,第一NPN型三极管的发射极接地;第六电阻接在反相器的第一输入端与反相器的第二输入端之间,反相器的第二输入端通过第七电阻与反相器的工作电源正端电连接,反相器的工作电源正端接入第一二极管与第三电容之间;微控制器的第一输出端与反相器的第二输入端电连接;直流升压模块依次通过电感、第 四电容和第五电容接地,MOS管的漏极接入电感与第四电容之间,MOS管的栅极接入第二电阻与第三电阻之间,超声雾化片的第一端接入第四电容与第五电容之间,超声雾化片的第二端和MOS管的源极均与电压检测模块电连接。As a preferred mode, the excitation excitation module comprises a linear buck chip, an inverter, a first NPN transistor, a second NPN transistor and a MOS transistor, and the power module is grounded through the first capacitor, and the linear step-down chip The input end is connected between the power module and the first capacitor, and the output end of the linear buck chip is grounded through the second capacitor, and the output end of the linear buck chip is grounded through the first diode and the third capacitor in turn, second The collector of the NPN type transistor is electrically connected to the output end of the linear step-down chip through the first resistor, the emitter of the second NPN type transistor is grounded through the second resistor and the third resistor in turn, and the base of the second NPN type transistor passes through The fourth resistor is electrically connected to the output end of the inverter. The collector of the first NPN transistor is electrically connected to the emitter of the second NPN transistor, and the base of the first NPN transistor and the base of the second NPN transistor are electrically connected. Connecting, the base of the first NPN transistor is grounded through a fifth resistor, the emitter of the first NPN transistor is grounded; and the sixth resistor is connected between the first input of the inverter and the second input of the inverter The second input end of the inverter is electrically connected to the positive terminal of the working power supply of the inverter through the seventh resistor, and the positive power terminal of the inverter is connected between the first diode and the third capacitor; the microcontroller The first output end is electrically connected to the second input end of the inverter; the DC boosting module is grounded through the inductor, the fourth capacitor and the fifth capacitor in sequence, and the drain of the MOS transistor is connected between the inductor and the fourth capacitor, the MOS transistor The gate is connected between the second resistor and the third resistor, the first end of the ultrasonic atomizing sheet is connected between the fourth capacitor and the fifth capacitor, and the second end of the ultrasonic atomizing sheet and the source of the MOS tube are both Electrically connected to the voltage detection module.

作为一种优选方式,所述电压检测模块包括第六电容、第七电容、第八电容、第八电阻、第九电阻和第十电阻,超声雾化片的第二端和MOS管的源极均通过第十电阻接地,超声雾化片的第二端和MOS管的源极均依次通过第九电阻和第八电阻与微控制器的第一输入端电连接;第六电容的一端接在第八电阻与微控制器的第一输入端之间,第六电容的另一端接地;第七电容的一端和第八电容的一端均接在第八电阻与第九电阻之间,第七电容的另一端和第八电容的另一端均接地。In a preferred embodiment, the voltage detecting module includes a sixth capacitor, a seventh capacitor, an eighth capacitor, an eighth resistor, a ninth resistor, and a tenth resistor, and the second end of the ultrasonic atomizing sheet and the source of the MOS transistor Both are grounded through the tenth resistor, and the second end of the ultrasonic atomizing sheet and the source of the MOS tube are electrically connected to the first input end of the microcontroller through the ninth resistor and the eighth resistor in sequence; one end of the sixth capacitor is connected Between the eighth resistor and the first input end of the microcontroller, the other end of the sixth capacitor is grounded; one end of the seventh capacitor and one end of the eighth capacitor are connected between the eighth resistor and the ninth resistor, and the seventh capacitor The other end and the other end of the eighth capacitor are both grounded.

作为一种优选方式,所述频率检测模块包括第九电容、第十电容、第十一电容、第二二极管、第三二极管、第十一电阻、第十二电阻和第十三电阻,MOS管的漏极与第三二极管的阳极电连接,第九电容的一端和第十电容的一端均接地,第九电容的另一端和第十电容的另一端均与第三二极管的阴极电连接,第十一电阻和第十二电阻连成串联支路,所述串联支路的一端与第三二极管的阴极电连接,串联支路的另一端接地,第十三电阻的一端接入第十一电阻和第十二电阻之间,第十三电阻的另一端通过第十一电容接地,微控制器的第二输入端接在第十三电阻与第十一电容之间;第二二极管的阳极接在第十一电阻和第十二电阻之间,第二二极管的阴极与电源模块电连接。As a preferred mode, the frequency detecting module includes a ninth capacitor, a tenth capacitor, an eleventh capacitor, a second diode, a third diode, an eleventh resistor, a twelfth resistor, and a thirteenth a resistor, the drain of the MOS transistor is electrically connected to the anode of the third diode, and one end of the ninth capacitor and one end of the tenth capacitor are grounded, and the other end of the ninth capacitor and the other end of the tenth capacitor are both the third and the second The cathode of the pole tube is electrically connected, the eleventh resistor and the twelfth resistor are connected into a series branch, one end of the series branch is electrically connected to the cathode of the third diode, and the other end of the series branch is grounded, tenth One end of the three resistor is connected between the eleventh resistor and the twelfth resistor, the other end of the thirteenth resistor is grounded through the eleventh capacitor, and the second input end of the microcontroller is connected to the thirteenth resistor and the eleventh Between the capacitors; the anode of the second diode is connected between the eleventh resistor and the twelfth resistor, and the cathode of the second diode is electrically connected to the power module.

基于同一个发明构思,本发明还提供了一种超声波电子烟,包括所述的超声雾化片振荡控制电路。Based on the same inventive concept, the present invention also provides an ultrasonic electronic cigarette comprising the ultrasonic atomizing sheet oscillation control circuit.

与现有技术相比,本发明采用他激式激励模块控制超声雾化片振荡工作,使得超声雾化片一直处于谐振状态,消除了温度对超声雾化片工作效率的影响,超声雾化片的雾化效率高、烟雾量大、电路损耗低、电路板不易发热、体积小、成本低,同时电路稳定性好,可靠安全,超声雾化片使用寿命长。Compared with the prior art, the invention adopts the excitation excitation module to control the oscillation operation of the ultrasonic atomization piece, so that the ultrasonic atomization piece is always in a resonance state, eliminating the influence of temperature on the working efficiency of the ultrasonic atomization piece, and the ultrasonic atomization piece. The atomization efficiency is high, the amount of smoke is large, the circuit loss is low, the circuit board is not easy to generate heat, the volume is small, the cost is low, the circuit stability is good, the reliability is safe, and the ultrasonic atomization piece has a long service life.

附图说明DRAWINGS

图1为超声雾化片振荡控制电路的第一种方框结构图。1 is a first block configuration diagram of an ultrasonic atomizing sheet oscillation control circuit.

图2为超声雾化片振荡控制电路实施例一的电路示意图。2 is a circuit diagram of Embodiment 1 of an ultrasonic atomizing sheet oscillation control circuit.

图3为超声雾化片振荡控制电路实施例二的电路示意图。3 is a schematic circuit diagram of Embodiment 2 of an ultrasonic atomizing sheet oscillation control circuit.

图4为超声雾化片振荡控制电路的第二种方框结构图。4 is a second block configuration diagram of an ultrasonic atomizing sheet oscillation control circuit.

图5为超声雾化片振荡控制电路实施例三的电路示意图。FIG. 5 is a schematic circuit diagram of Embodiment 3 of an ultrasonic atomizing sheet oscillation control circuit.

图6为超声雾化片振荡控制电路实施例四的电路示意图。6 is a circuit diagram of Embodiment 4 of an ultrasonic atomizing sheet oscillation control circuit.

图7为超声雾化片振荡控制电路的第三种方框结构图。Fig. 7 is a third block configuration diagram of the ultrasonic atomizing sheet oscillation control circuit.

图8为超声雾化片振荡控制电路实施例五的电路示意图。FIG. 8 is a schematic circuit diagram of Embodiment 5 of the ultrasonic atomizing sheet oscillation control circuit.

其中,1为电源模块,2为微控制器,3为他激式激励模块,4为直流升压模块,5为电压检测模块,6为电流检测模块,7为频率检测模块,C1为第一电容,C2为第二电容,C3为第三电容,C4为第四电容,C5为第五电容,C6为第六电容,C7为第七电容,C8为第八电容,C9为第九电容,C10为第十电容,C11为第十一电容,C12为第十二电容,C13为第十三电容,C14为第十四电容,C15为第十五电容,C16为第十六电容,D为二极管,D1为第一二极管,D2为第二二极管,D3为第三二极管,J为超声雾化片,L为电感,L1为第一电感,L2为第二电感,Q1为第一NPN型三极管,Q2为第二NPN型三极管,Q3为MOS管,Q4为第一MOS管,Q5为第二MOS管,R为电阻,R1为第一电阻,R2为第二电阻,R3为第三电阻,R4为第四电阻,R5为第五电阻,R6为第六电阻,R7为第七电阻,R8为第八电阻,R9为第九电阻,R10为第十电阻,R11为第十一电阻,R12为第十二电阻,R13为第十三电阻,R14为第十四电阻,R15为第十五电阻,U1为反相器,U2为线性降压芯片,U3为运算放大器,U4为霍尔电流传感器。Among them, 1 is the power module, 2 is the microcontroller, 3 is the excitation module, 4 is the DC boost module, 5 is the voltage detection module, 6 is the current detection module, 7 is the frequency detection module, C1 is the first Capacitor, C2 is the second capacitor, C3 is the third capacitor, C4 is the fourth capacitor, C5 is the fifth capacitor, C6 is the sixth capacitor, C7 is the seventh capacitor, C8 is the eighth capacitor, and C9 is the ninth capacitor. C10 is the tenth capacitor, C11 is the eleventh capacitor, C12 is the twelfth capacitor, C13 is the thirteenth capacitor, C14 is the fourteenth capacitor, C15 is the fifteenth capacitor, C16 is the sixteenth capacitor, and D is Diode, D1 is the first diode, D2 is the second diode, D3 is the third diode, J is the ultrasonic atomizer, L is the inductor, L1 is the first inductor, L2 is the second inductor, Q1 It is a first NPN transistor, Q2 is a second NPN transistor, Q3 is a MOS transistor, Q4 is a first MOS transistor, Q5 is a second MOS transistor, R is a resistor, R1 is a first resistor, and R2 is a second resistor. R3 is the third resistor, R4 is the fourth resistor, R5 is the fifth resistor, R6 is the sixth resistor, R7 is the seventh resistor, R8 is the eighth resistor, R9 is the ninth resistor, and R10 is the tenth resistor. Resistor, R11 is the eleventh resistor, R12 is the twelfth resistor, R13 is the thirteenth resistor, R14 is the fourteenth resistor, R15 is the fifteenth resistor, U1 is the inverter, U2 is the linear buck chip, U3 is an operational amplifier and U4 is a Hall current sensor.

具体实施方式detailed description

如图1所示,本发明超声波电子烟中的超声雾化片振荡控制电路包括直流升压模块4、他激式激励模块3和微控制器2,电源模块1依次通过直流升压模块4和他激式激励模块3与超声雾化片J电连接,他激式激励模块3的控制端与微控制器2的第一输出端电连接,所述直流升压模块4的控制端与微控制器2的第二输出端电连接。As shown in FIG. 1 , the ultrasonic atomizing sheet oscillation control circuit in the ultrasonic electronic cigarette of the present invention comprises a DC boosting module 4, a heuristic excitation module 3 and a microcontroller 2, and the power module 1 sequentially passes through the DC boosting module 4 and The excitation module 3 is electrically connected to the ultrasonic atomizing sheet J, and the control end of the excitation module 3 is electrically connected to the first output end of the microcontroller 2. The control terminal and the micro control of the DC voltage boosting module 4 The second output of the device 2 is electrically connected.

电源模块1通过直流升压模块4对超声雾化片J所需要的工作电压在微控制器2的调节下进行升压,然后输出给高频他激式激励模块3,微控制器2根据换能器的特性提供固定的工作频率输出给高频他激式激励模块3,使高频他激式激励模块3的激励振荡频率和超声雾化片J固有频率一致,从而使超声雾化片J达到谐振状态,进行超声雾化烟油生产烟雾。超声雾化片J为压电陶瓷片。The power module 1 boosts the operating voltage required by the DC boosting module 4 to the ultrasonic atomizing sheet J under the regulation of the microcontroller 2, and then outputs it to the high frequency excitation excitation module 3, and the microcontroller 2 converts according to The characteristic of the energy device provides a fixed operating frequency output to the high frequency excitation excitation module 3, so that the excitation oscillation frequency of the high frequency excitation excitation module 3 and the natural frequency of the ultrasonic atomization sheet J are identical, thereby making the ultrasonic atomization sheet J To reach the resonance state, ultrasonic atomization of smoke oil is used to produce smoke. The ultrasonic atomizing sheet J is a piezoelectric ceramic sheet.

如图2所示为超声雾化片振荡控制电路实施例一的电路示意图,所述他激式激励模块3包括第一二极管D1、第二二极管D2、第一电容C1、第一电感L1和第一MOS管Q4,第一电感L1为储能电感,第一电容C1为储能电容,第一MOS管Q4为高整开关MOS管,第一二极管D1为防反二极管,第二二极管D2为导通二极管。所述第一二极管D1的阳极与直流升压模块4的输出端电连接,第一二极管D1的阴极依次通过第一电感L1、第一电容C1和第二二极管D2接地,超声雾化片J并联在第二二极管D2两端,第一MOS管Q4的漏极接入第一电感L1与第一电容C1之间,第一MOS管Q4的源极接地,第一MOS管Q4的栅极与微控制器2的第一输出端电连接。FIG. 2 is a schematic circuit diagram of Embodiment 1 of an ultrasonic atomizing sheet oscillation control circuit, wherein the excitation module 3 includes a first diode D1, a second diode D2, and a first capacitor C1. Inductor L1 and first MOS transistor Q4, the first inductor L1 is a storage inductor, the first capacitor C1 is a storage capacitor, the first MOS transistor Q4 is a high-switching MOS transistor, and the first diode D1 is an anti-reverse diode. The second diode D2 is a conduction diode. The anode of the first diode D1 is electrically connected to the output end of the DC boosting module 4, and the cathode of the first diode D1 is grounded through the first inductor L1, the first capacitor C1 and the second diode D2 in sequence. The ultrasonic atomizing sheet J is connected in parallel across the second diode D2. The drain of the first MOS transistor Q4 is connected between the first inductor L1 and the first capacitor C1, and the source of the first MOS transistor Q4 is grounded. The gate of the MOS transistor Q4 is electrically connected to the first output of the microcontroller 2.

图2中电路的工作原理如下:The circuit in Figure 2 works as follows:

直流电能在第一MOS管Q4导通的时间内将电能储存在第一电感L1,回路流程为直流电能VCC→第一二极管D1→第一电感L1→第一MOS管Q4→地;在第一MOS管Q4断开的时间内,储存在第一电感L1的电能转移到第一电容C1,回路流程为直流电能VCC→第一二极管D1→第一电感L1→第一电容C1→第二二极管D2→地;当第一电容C1充满电后,第一MOS管Q4再次导通时,第一电容C1左端会被强行拉至地电位,由于第一电容C1两端电压不能突变,所以电能会通过超声雾化片J释放,激励超声雾化片J产生振荡从而超声雾化烟油,回路流程为第一电容C1左端的地→超声雾化片J→第一电容C1右端。The DC power is stored in the first inductor L1 during the time when the first MOS transistor Q4 is turned on, and the loop flow is DC power VCC→first diode D1→first inductor L1→first MOS transistor Q4→ground; During the time when the first MOS transistor Q4 is disconnected, the electric energy stored in the first inductor L1 is transferred to the first capacitor C1, and the loop flow is DC power VCC→first diode D1→first inductor L1→first capacitor C1→ The second diode D2→ground; when the first capacitor C1 is fully charged, when the first MOS transistor Q4 is turned on again, the left end of the first capacitor C1 is forcibly pulled to the ground potential, because the voltage across the first capacitor C1 cannot be Mutation, so the electric energy will be released through the ultrasonic atomizing sheet J, and the ultrasonic atomizing sheet J is excited to oscillate and ultrasonically atomize the smoke oil. The loop flow is the ground of the left end of the first capacitor C1 → the ultrasonic atomizing sheet J → the right end of the first capacitor C1 .

如图3所示为超声雾化片振荡控制电路实施例二的电路示意图,所述他激式激励模块3包括电阻R、第二电容C2、第三电容C3、第二电感L2和第二MOS管Q5,第二电感L2为储能电感,第三电感为储能电容,第二MOS管Q5为高整开关MOS管,电阻R为限流电阻R,第二电容C2为分流电容。直流升压模块4依次通过第二电感L2、第三电容C3和第二电容C2接地,第二MOS管Q5的漏极接入第二电感L2与第三电容C3之间,第二MOS管Q5的源极通过电阻R接地,第二MOS管Q5的栅极与微控制器2的第一输出端电连接,超声雾化片J的一端接入第二电容C2与第三电容C3之间,超声雾化片J的另一端接入第二MOS管Q5的漏极与电阻R之间。FIG. 3 is a schematic circuit diagram of Embodiment 2 of an ultrasonic atomizing sheet oscillation control circuit, wherein the excitation excitation module 3 includes a resistor R, a second capacitor C2, a third capacitor C3, a second inductor L2, and a second MOS. The tube Q5, the second inductor L2 is a storage inductor, the third inductor is a storage capacitor, the second MOS transistor Q5 is a high-switching MOS transistor, the resistor R is a current limiting resistor R, and the second capacitor C2 is a shunt capacitor. The DC boosting module 4 is grounded through the second inductor L2, the third capacitor C3 and the second capacitor C2 in turn, and the drain of the second MOS transistor Q5 is connected between the second inductor L2 and the third capacitor C3, and the second MOS transistor Q5 The source of the second MOS transistor Q5 is electrically connected to the first output end of the microcontroller 2, and one end of the ultrasonic atomizing sheet J is connected between the second capacitor C2 and the third capacitor C3. The other end of the ultrasonic atomizing sheet J is connected between the drain of the second MOS transistor Q5 and the resistor R.

图3中电路的工作原理如下:The circuit in Figure 3 works as follows:

直流电能在第二MOS管Q5导通的时间内将电能储存在第二电感L2,回路流程为直流电能VCC→第二电感L2→第二MOS管Q5→ 电阻R→地;在第二MOS管Q5断开的时间内,储存在第二电感L2的电能转移到第三电容C3,回路流程为直流电能VCC→第二电感L2→第三电容C3→第二电容C2//(超声雾化片J→电阻R)→地,当第三电容C3充满电后,第二MOS管Q5再次导通时,第三电容C3左端会被强行拉至接近地电位,由于第三电容C3两端电压不能突变,所以电能会通过超声雾化片J释放,激励雾化片振荡从而超声雾化烟油,回路流程为第三电容C3右端→(超声雾化片J→电阻R)//第二电容C2→第三电容C3左端的地。The DC power is stored in the second inductor L2 during the time when the second MOS transistor Q5 is turned on, and the loop flow is DC power VCC→second inductor L2→second MOS transistor Q5→resistor R→ground; in the second MOS tube During the disconnection time of Q5, the electric energy stored in the second inductor L2 is transferred to the third capacitor C3, and the loop flow is DC power VCC→second inductance L2→third capacitor C3→second capacitor C2//(ultrasonic atomizer J → resistance R) → ground, when the third capacitor C3 is fully charged, when the second MOS transistor Q5 is turned on again, the left end of the third capacitor C3 is forcibly pulled to near ground potential, because the voltage across the third capacitor C3 cannot be Mutation, so the electric energy will be released through the ultrasonic atomizing sheet J, and the atomizing sheet is excited to ultrasonically atomize the smoke oil. The loop flow is the right end of the third capacitor C3 → (ultrasonic atomizing sheet J → resistance R) / / second capacitor C2 → Ground of the left end of the third capacitor C3.

如图4所示,本发明超声波电子烟中的超声雾化片振荡控制电路包括直流升压模块4、他激式激励模块3、微控制器2和电压检测模块5,电源模块1依次通过直流升压模块4和他激式激励模块3与超声雾化片J电连接,他激式激励模块3的控制端与微控制器2的第一输出端电连接,超声雾化片J通过电压检测模块5与微控制器2的第一输入端电连接,所述直流升压模块4的控制端与微控制器2的第二输出端电连接。As shown in FIG. 4, the ultrasonic atomizing sheet oscillation control circuit in the ultrasonic electronic cigarette of the present invention comprises a DC boosting module 4, a his excitation excitation module 3, a microcontroller 2 and a voltage detecting module 5, and the power module 1 sequentially passes through a direct current. The boosting module 4 and the exciter excitation module 3 are electrically connected to the ultrasonic atomizing sheet J, and the control end of the exciter excitation module 3 is electrically connected to the first output end of the microcontroller 2, and the ultrasonic atomizing sheet J passes the voltage detection. The module 5 is electrically connected to the first input of the microcontroller 2, and the control end of the DC boost module 4 is electrically connected to the second output of the microcontroller 2.

电源模块1通过直流升压模块4对超声雾化片J所需要的工作电压在微控制器2的调节下进行升压,然后输出给高频他激式激励模块3,微控制器2根据换能器的特性提供固定的工作频率输出给高频他激式激励模块3,使高频他激式激励模块3的激励振荡频率和超声雾化片J固有频率一致,从而使超声雾化片J达到谐振状态,进行超声雾化烟油生产烟雾。超声雾化片J为压电陶瓷片。The power module 1 boosts the operating voltage required by the DC boosting module 4 to the ultrasonic atomizing sheet J under the regulation of the microcontroller 2, and then outputs it to the high frequency excitation excitation module 3, and the microcontroller 2 converts according to The characteristic of the energy device provides a fixed operating frequency output to the high frequency excitation excitation module 3, so that the excitation oscillation frequency of the high frequency excitation excitation module 3 and the natural frequency of the ultrasonic atomization sheet J are identical, thereby making the ultrasonic atomization sheet J To reach the resonance state, ultrasonic atomization of smoke oil is used to produce smoke. The ultrasonic atomizing sheet J is a piezoelectric ceramic sheet.

电压检测模块5用于将超声雾化片J的工作电流信号转换成电压信号并检测,同时电压检测模块5将检测到的电压信号传输给微控制器2,微控制器2对两相邻时刻接收到的电压值进行比较,抓出最大电压值作为超声雾化片J的完全谐振点,然后微控制器2控制他激式激励模块3以该完全谐振点所需的频率输出,从而使得超声雾化片J处于一个完全谐振状态。电压检测模块5不断地检测,从而使超声雾化片J一直高效工作。The voltage detecting module 5 is configured to convert the working current signal of the ultrasonic atomizing sheet J into a voltage signal and detect, and the voltage detecting module 5 transmits the detected voltage signal to the microcontroller 2, and the microcontroller 2 pairs the two adjacent moments. The received voltage values are compared, the maximum voltage value is captured as the complete resonance point of the ultrasonic atomizing sheet J, and then the microcontroller 2 controls the excitation output module 3 to output at the frequency required for the complete resonance point, thereby making the ultrasound The atomizing sheet J is in a completely resonant state. The voltage detecting module 5 continuously detects so that the ultrasonic atomizing sheet J always operates efficiently.

图4中还包括电流检测模块6,直流升压模块4通过电流检测模块6与他激式激励模块3电连接,电流检测模块6的输出端与微控制器2的第三输入端电连接。Also included in FIG. 4 is a current detection module 6. The DC boost module 4 is electrically coupled to the other excitation module 3 via a current detection module 6, and the output of the current detection module 6 is electrically coupled to a third input of the microcontroller 2.

在超声雾化片J工作过程中,电流检测模块6不断检测供电电路的电流,当检测的电流值比预设电流值大时(例如超声雾化片J干烧 或泡油时,检测的电流值比预设电流值大3-5倍)),微控制器2根据电流值判断此刻的超声雾化片J处于什么状态(干烧或泡油)。在干烧时,检测电流值迅速增大到预设电流值3-5倍;在泡油时,检测电流值缓慢增大到预设电流值3-5倍;最后微控制器2控制他激式激励模块3停止激励超声雾化片J工作。During the operation of the ultrasonic atomizing sheet J, the current detecting module 6 continuously detects the current of the power supply circuit, and when the detected current value is larger than the preset current value (for example, the ultrasonic atomizing sheet J is dry or foamed, the detected current) The value is 3-5 times larger than the preset current value)), and the microcontroller 2 determines the state of the ultrasonic atomizing sheet J at this moment (dry burning or foaming) based on the current value. In dry burning, the detected current value rapidly increases to 3-5 times the preset current value; in the case of foaming, the detected current value slowly increases to 3-5 times the preset current value; finally, the microcontroller 2 controls the other The excitation module 3 stops energizing the ultrasonic atomizing sheet J.

如图5所示为超声雾化片振荡控制电路实施例三的电路示意图,所述他激式激励模块3包括LDO线性降压芯片U2、反相器U1、第一NPN型三极管Q1、第二NPN型三极管Q2和MOS管Q3,电源模块1通过第一电容C1接地,线性降压芯片U2的输入端接入电源模块1与第一电容C1之间,线性降压芯片U2的输出端通过第二电容C2接地,线性降压芯片U2的输出端还依次通过二极管D与第三电容C3接地,第二NPN型三极管Q2的集电极通过第一电阻R1与线性降压芯片U2的输出端电连接,第二NPN型三极管Q2的发射极依次通过第二电阻R2和第三电阻R3接地,第二NPN型三极管Q2的基极通过第四电阻R4与反相器U1的输出端电连接,第一NPN型三极管Q1的集电极与第二NPN型三极管Q2的发射极电连接,第一NPN型三极管Q1的基极与第二NPN型三极管Q2的基极电连接,第一NPN型三极管Q1的基极通过第五电阻R5接地,第一NPN型三极管Q1的发射极接地;第六电阻R6接在反相器U1的第一输入端与反相器U1的第二输入端之间,反相器U1的第二输入端通过第七电阻R7与反相器U1的工作电源正端电连接,反相器U1的工作电源正端接入二极管D与第三电容C3之间;微控制器2的第一输出端与反相器U1的第二输入端电连接;直流升压模块4依次通过电感L、第四电容C4和第五电容C5接地,MOS管Q3的漏极接入电感L与第四电容C4之间,MOS管Q3的栅极接入第二电阻R2与第三电阻R3之间,超声雾化片J的第一端接入第四电容C4与第五电容C5之间,超声雾化片J的第二端和MOS管Q3的源极均与电压检测模块5电连接。FIG. 5 is a schematic circuit diagram of Embodiment 3 of an ultrasonic atomizing sheet oscillation control circuit, and the excitation excitation module 3 includes an LDO linear step-down chip U2, an inverter U1, a first NPN type transistor Q1, and a second NPN type transistor Q2 and MOS tube Q3, the power module 1 is grounded through the first capacitor C1, the input end of the linear step-down chip U2 is connected between the power module 1 and the first capacitor C1, and the output of the linear step-down chip U2 passes the The second capacitor C2 is grounded, and the output end of the linear buck chip U2 is grounded through the diode D and the third capacitor C3 in turn, and the collector of the second NPN transistor Q2 is electrically connected to the output end of the linear buck chip U2 through the first resistor R1. The emitter of the second NPN transistor Q2 is grounded through the second resistor R2 and the third resistor R3. The base of the second NPN transistor Q2 is electrically connected to the output terminal of the inverter U1 through the fourth resistor R4. The collector of the NPN transistor Q1 is electrically connected to the emitter of the second NPN transistor Q2, and the base of the first NPN transistor Q1 is electrically connected to the base of the second NPN transistor Q2, and the base of the first NPN transistor Q1 is The pole is grounded through the fifth resistor R5, the first NPN type The emitter of the transistor Q1 is grounded; the sixth resistor R6 is connected between the first input of the inverter U1 and the second input of the inverter U1, and the second input of the inverter U1 is passed through the seventh resistor R7. It is electrically connected to the positive terminal of the working power supply of the inverter U1, and the positive terminal of the operating power of the inverter U1 is connected between the diode D and the third capacitor C3; the first output of the microcontroller 2 and the first of the inverter U1 The two input terminals are electrically connected; the DC boosting module 4 is grounded through the inductor L, the fourth capacitor C4 and the fifth capacitor C5 in sequence, and the drain of the MOS transistor Q3 is connected between the inductor L and the fourth capacitor C4, and the gate of the MOS transistor Q3 The pole is connected between the second resistor R2 and the third resistor R3, and the first end of the ultrasonic atomizing sheet J is connected between the fourth capacitor C4 and the fifth capacitor C5, and the second end of the ultrasonic atomizing sheet J and the MOS tube The sources of Q3 are all electrically connected to the voltage detecting module 5.

高频他激式激励模块3是由信号驱动部分和高频振荡部分组成。信号驱动部分由反相器U1、第六电阻R6、第七电阻R7、第四电阻R4、第五电阻R5、第一电阻R1、第二电阻R2、第三电阻R3、第二NPN型三极管Q2和第一NPN型三极管Q1组成。微控制器2输出的PWM信号通过反相器U1反相整形成为稳定的方波信号,同时提供足够的驱动电流来驱动由第二NPN型三极管Q2和第一NPN型三 极管Q1组成的图腾电路。在PWM的低电平期间,第二NPN型三极管Q2导通驱动后级高频MOS管Q3工作,在PWM的高电平期间,高频MOS管Q3的栅极电平通过第一NPN型三极管Q1导通到地快速放电,可以快速关断高频MOS管Q3。The high frequency excitation excitation module 3 is composed of a signal driving portion and a high frequency oscillation portion. The signal driving part is composed of an inverter U1, a sixth resistor R6, a seventh resistor R7, a fourth resistor R4, a fifth resistor R5, a first resistor R1, a second resistor R2, a third resistor R3, and a second NPN transistor Q2. It is composed of a first NPN type transistor Q1. The PWM signal output from the microcontroller 2 is inversely shaped by the inverter U1 into a stable square wave signal while providing sufficient drive current to drive the totem circuit composed of the second NPN transistor Q2 and the first NPN transistor Q1. During the low period of the PWM, the second NPN transistor Q2 is turned on to drive the high-frequency MOS transistor Q3 of the latter stage. During the high period of the PWM, the gate level of the high-frequency MOS transistor Q3 passes through the first NPN transistor. Q1 is turned on to the ground for rapid discharge, which can quickly turn off the high frequency MOS transistor Q3.

所述电压检测模块5包括第六电容C6、第七电容C7、第八电容C8、第八电阻R8、第九电阻R9和第十电阻R10,其中第十电阻R10为采样电阻,第八电阻R8、第九电阻R9、第八电容C8、第七电阻R7和第六电阻R6组成二阶RC滤波网络。超声雾化片J的第二端和MOS管Q3的源极均通过第十电阻R10接地,超声雾化片J的第二端和MOS管Q3的源极均依次通过第九电阻R9和第八电阻R8与微控制器2的第一输入端电连接;第六电容C6的一端接在第八电阻R8与微控制器2的第一输入端之间,第六电容C6的另一端接地;第七电容C7的一端和第八电容C8的一端均接在第八电阻R8与第九电阻R9之间,第七电容C7的另一端和第八电容C8的另一端均接地。The voltage detecting module 5 includes a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, an eighth resistor R8, a ninth resistor R9, and a tenth resistor R10, wherein the tenth resistor R10 is a sampling resistor, and the eighth resistor R8 The ninth resistor R9, the eighth capacitor C8, the seventh resistor R7 and the sixth resistor R6 form a second-order RC filter network. The second end of the ultrasonic atomizing sheet J and the source of the MOS tube Q3 are grounded through the tenth resistor R10, and the second end of the ultrasonic atomizing sheet J and the source of the MOS tube Q3 are sequentially passed through the ninth resistor R9 and the eighth The resistor R8 is electrically connected to the first input end of the microcontroller 2; one end of the sixth capacitor C6 is connected between the eighth resistor R8 and the first input end of the microcontroller 2, and the other end of the sixth capacitor C6 is grounded; One end of the seventh capacitor C7 and one end of the eighth capacitor C8 are connected between the eighth resistor R8 and the ninth resistor R9, and the other end of the seventh capacitor C7 and the other end of the eighth capacitor C8 are grounded.

所述电流检测模块6包括运算放大器U3、第九电容C9、第十电容C10、第十一电容C11、第十二电容C12、第十一电阻R11、第十二电阻R12、第十三电阻R13和第十四电阻R14,其中第十一电阻R11为采样电阻,第十三电阻R13和第十一电容C11组成滤波网络。第九电容C9的一端和第十电容C10的一端均接在直流升压模块4与第十一电阻R11的一端之间,第九电容C9的另一端和第十电容C10的另一端均接地,第十一电阻R11的另一端与他激式激励模块3相连且通过第十四电阻R14与运算放大器U3的反相输入端电连接,运算放大器U3的同相输入端通过第十二电阻R12与直流升压模块4电连接,运算放大器U3的输出端通过第十三电阻R13与微控制器2的第三输入端电连接,微控制器2的第三输入端还通过第十一电容C11接地;运算放大器U3的工作电源正端通过第十二电容C12接地。The current detecting module 6 includes an operational amplifier U3, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11, a twelfth capacitor C12, an eleventh resistor R11, a twelfth resistor R12, and a thirteenth resistor R13. And a fourteenth resistor R14, wherein the eleventh resistor R11 is a sampling resistor, and the thirteenth resistor R13 and the eleventh capacitor C11 form a filtering network. One end of the ninth capacitor C9 and one end of the tenth capacitor C10 are connected between the DC boost module 4 and one end of the eleventh resistor R11, and the other end of the ninth capacitor C9 and the other end of the tenth capacitor C10 are grounded. The other end of the eleventh resistor R11 is connected to the excitation module 3 and is electrically connected to the inverting input terminal of the operational amplifier U3 through the fourteenth resistor R14. The non-inverting input terminal of the operational amplifier U3 passes through the twelfth resistor R12 and the DC. The boosting module 4 is electrically connected, the output end of the operational amplifier U3 is electrically connected to the third input end of the microcontroller 2 through the thirteenth resistor R13, and the third input end of the microcontroller 2 is also grounded through the eleventh capacitor C11; The positive terminal of the operational power supply of operational amplifier U3 is grounded through the twelfth capacitor C12.

图5中电路的工作原理如下:The circuit in Figure 5 works as follows:

输出回路输出的电流在第十一电阻R11两端产生电压,此电压经过运算放大器U3放大后经过第十三电阻R13和第十一电容C11组成的滤波网络后会变成波形稳定的直流电压信号,流经超声雾化片J的电流与第十电阻R10两端的电压成比例关系。微控制器2通过AD转换可以监控输出电流的大小,实时检测超声雾化片J是否处于完全谐振状态,并调节输出PWM的频率和占空比来使超声雾化片J达到最佳输出,提高工作效率。The output current of the output loop generates a voltage across the eleventh resistor R11. This voltage is amplified by the operational amplifier U3 and then passes through the filter network composed of the thirteenth resistor R13 and the eleventh capacitor C11 to become a waveform-stabilized DC voltage signal. The current flowing through the ultrasonic atomizing sheet J is proportional to the voltage across the tenth resistor R10. The microcontroller 2 can monitor the magnitude of the output current through AD conversion, detect whether the ultrasonic atomizing sheet J is in a complete resonance state in real time, and adjust the frequency and duty ratio of the output PWM to achieve the optimal output of the ultrasonic atomizing sheet J, thereby improving Work efficiency.

如图6所示为超声雾化片振荡控制电路实施例四的电路示意图,图6和图5的区别在于电流检测模块6的结构不同。所述电流检测模块6包括霍尔电流传感器U4、第十三电容C13、第十四电容C14、第十五电容C15、第十六电容C16和第十五电阻R15,第十三电容C13的一端和第十四电容C14的一端均与直流升压模块4电连接,第十三电容C13的另一端和第十四电容C14的另一端均接地,直流升压模块4通过霍尔电流传感器U4与他激式激励模块3电连接,霍尔电流传感器U4的输出端依次通过第十五电阻R15和第十六电容C16接地,微控制器2的第三输入端接在第十五电阻R15与第十六电容C16之间,霍尔电流传感器U4的工作电源正端通过第十五电容C15接地。FIG. 6 is a schematic circuit diagram of Embodiment 4 of the ultrasonic atomizing sheet oscillation control circuit. The difference between FIG. 6 and FIG. 5 is that the structure of the current detecting module 6 is different. The current detecting module 6 includes a Hall current sensor U4, a thirteenth capacitor C13, a fourteenth capacitor C14, a fifteenth capacitor C15, a sixteenth capacitor C16 and a fifteenth resistor R15, and one end of the thirteenth capacitor C13 And one end of the fourteenth capacitor C14 is electrically connected to the DC boosting module 4, the other end of the thirteenth capacitor C13 and the other end of the fourteenth capacitor C14 are grounded, and the DC boosting module 4 passes the Hall current sensor U4 and The excitation excitation module 3 is electrically connected, and the output end of the Hall current sensor U4 is grounded through the fifteenth resistor R15 and the sixteenth capacitor C16 in turn, and the third input end of the microcontroller 2 is connected to the fifteenth resistor R15 and the Between the sixteen capacitors C16, the positive terminal of the working current of the Hall current sensor U4 is grounded through the fifteenth capacitor C15.

图6中电路的工作原理如下:The circuit in Figure 6 works as follows:

电流检测模块6通过传统的霍尔电流传感器U4件来实现,输出回路的电流信号通过霍尔电流传感器U4转换成电压信号输出,此电压信号与输出回路电流成正比关系,与图5类似,微控制器2通过AD转换可以监控输出电流的大小,实时检测超声雾化片J是否处于完全谐振状态,并调节输出PWM的频率和占空比来使超声雾化片J达到最佳输出,提高工作效率。The current detecting module 6 is realized by a conventional Hall current sensor U4, and the current signal of the output circuit is converted into a voltage signal output by the Hall current sensor U4, and the voltage signal is proportional to the output loop current, similar to FIG. The controller 2 can monitor the magnitude of the output current through AD conversion, detect whether the ultrasonic atomizing sheet J is in a complete resonance state in real time, and adjust the frequency and duty ratio of the output PWM to make the ultrasonic atomizing sheet J reach the optimal output, and improve the work. effectiveness.

如图7所示,本发明超声波电子烟中的超声雾化片振荡控制电路包括直流升压模块4、他激式激励模块3、微控制器2、电压检测模块5和频率检测模块7,电源模块1依次通过直流升压模块4和他激式激励模块3与超声雾化片J电连接,他激式激励模块3的控制端与微控制器2的第一输出端电连接,超声雾化片J通过电压检测模块5与微控制器2的第一输入端电连接,频率检测模块7的检测端与他激式激励模块3电连接,频率检测模块7的输出端与微控制器2的第二输入端电连接,所述直流升压模块4的控制端与微控制器2的第二输出端电连接。As shown in FIG. 7, the ultrasonic atomizing sheet oscillation control circuit in the ultrasonic electronic cigarette of the present invention comprises a DC boosting module 4, a his excitation excitation module 3, a microcontroller 2, a voltage detecting module 5 and a frequency detecting module 7, and a power supply. The module 1 is electrically connected to the ultrasonic atomizing sheet J through the DC boosting module 4 and the other exciting excitation module 3 in sequence, and the control end of the excitation excitation module 3 is electrically connected to the first output end of the microcontroller 2, and ultrasonic atomization is performed. The chip J is electrically connected to the first input end of the microcontroller 2 through the voltage detecting module 5, the detecting end of the frequency detecting module 7 is electrically connected to the exciter excitation module 3, the output end of the frequency detecting module 7 and the output of the microcontroller 2 The second input is electrically connected, and the control end of the DC boost module 4 is electrically connected to the second output of the microcontroller 2.

电源模块1通过直流升压模块4对超声雾化片J所需要的工作电压在微控制器2的调节下进行升压,然后输出给高频他激式激励模块3,微控制器2根据换能器的特性提供固定的工作频率输出给高频他激式激励模块3,使高频他激式激励模块3的激励振荡频率和超声雾化片J固有频率一致,从而使超声雾化片J达到谐振状态,进行超声雾化烟油生产烟雾。超声雾化片J为压电陶瓷片。The power module 1 boosts the operating voltage required by the DC boosting module 4 to the ultrasonic atomizing sheet J under the regulation of the microcontroller 2, and then outputs it to the high frequency excitation excitation module 3, and the microcontroller 2 converts according to The characteristic of the energy device provides a fixed operating frequency output to the high frequency excitation excitation module 3, so that the excitation oscillation frequency of the high frequency excitation excitation module 3 and the natural frequency of the ultrasonic atomization sheet J are identical, thereby making the ultrasonic atomization sheet J To reach the resonance state, ultrasonic atomization of smoke oil is used to produce smoke. The ultrasonic atomizing sheet J is a piezoelectric ceramic sheet.

电压检测模块5用于将超声雾化片J的工作电流信号转换成电压信号并检测,同时电压检测模块5将检测到的电压信号传输给微控制器2,微控制器2对两相邻时刻接收到的电压值进行比较,抓出最大电压值作为超声雾化片J的完全谐振点,然后微控制器2控制他激式激励模块3以该完全谐振点所需的频率输出,从而使得超声雾化片J处于一个完全谐振状态。电压检测模块5不断地检测,从而使超声雾化片J一直高效工作。The voltage detecting module 5 is configured to convert the working current signal of the ultrasonic atomizing sheet J into a voltage signal and detect, and the voltage detecting module 5 transmits the detected voltage signal to the microcontroller 2, and the microcontroller 2 pairs the two adjacent moments. The received voltage values are compared, the maximum voltage value is captured as the complete resonance point of the ultrasonic atomizing sheet J, and then the microcontroller 2 controls the excitation output module 3 to output at the frequency required for the complete resonance point, thereby making the ultrasound The atomizing sheet J is in a completely resonant state. The voltage detecting module 5 continuously detects so that the ultrasonic atomizing sheet J always operates efficiently.

在超声雾化片J工作过程中,频率检测模块7通过检测高频他激式激励模块3的频率,然后将该频率解调为低频频率,此时电压与微控制器2输出的驱动信号的占空比和频率高低成比例关系,通过调制占空比来调剂输出频率。通过追踪输出频率与超声雾化片J工作频率的关系,使超声雾化片J始终在谐振点工作,以提高雾化效率,雾化烟油生产的烟雾量更大。During the operation of the ultrasonic atomizing sheet J, the frequency detecting module 7 detects the frequency of the high frequency excitation excitation module 3, and then demodulates the frequency into a low frequency, at which time the voltage and the driving signal output by the microcontroller 2 The duty cycle is proportional to the frequency and frequency, and the output frequency is adjusted by modulating the duty cycle. By tracking the relationship between the output frequency and the operating frequency of the ultrasonic atomizing sheet J, the ultrasonic atomizing sheet J is always operated at the resonance point to improve the atomization efficiency, and the amount of smoke generated by the atomized smoke oil is larger.

如图8所示为超声雾化片振荡控制电路实施例五的电路结构示意图,所述他激式激励模块3包括LDO线性降压芯片U2、反相器U1、第一NPN型三极管Q1、第二NPN型三极管Q2和MOS管Q3,电源模块1通过第一电容C1接地,线性降压芯片U2的输入端接入电源模块1与第一电容C1之间,线性降压芯片U2的输出端通过第二电容C2接地,线性降压芯片U2的输出端还依次通过第一二极管D与第三电容C3接地,第二NPN型三极管Q2的集电极通过第一电阻R1与线性降压芯片U2的输出端电连接,第二NPN型三极管Q2的发射极依次通过第二电阻R2和第三电阻R3接地,第二NPN型三极管Q2的基极通过第四电阻R4与反相器U1的输出端电连接,第一NPN型三极管Q1的集电极与第二NPN型三极管Q2的发射极电连接,第一NPN型三极管Q1的基极与第二NPN型三极管Q2的基极电连接,第一NPN型三极管Q1的基极通过第五电阻R5接地,第一NPN型三极管Q1的发射极接地;第六电阻R6接在反相器U1的第一输入端与反相器U1的第二输入端之间,反相器U1的第二输入端通过第七电阻R7与反相器U1的工作电源正端电连接,反相器U1的工作电源正端接入第一二极管D与第三电容C3之间;微控制器2的第一输出端与反相器U1的第二输入端电连接;直流升压模块4依次通过电感L、第四电容C4和第五电容C5接地,MOS管Q3的漏极接入电感L与第四电容C4之间,MOS管Q3的栅极接入第二电阻R2与第三电阻R3之间,超声雾化片J的第一端接入第四电容C4与 第五电容C5之间,超声雾化片J的第二端和MOS管Q3的源极均与电压检测模块5电连接。FIG. 8 is a schematic diagram of a circuit structure of Embodiment 5 of an ultrasonic atomizing sheet oscillation control circuit, wherein the excitation excitation module 3 includes an LDO linear step-down chip U2, an inverter U1, and a first NPN type transistor Q1. Two NPN-type transistor Q2 and MOS tube Q3, the power module 1 is grounded through the first capacitor C1, the input end of the linear step-down chip U2 is connected between the power module 1 and the first capacitor C1, and the output of the linear step-down chip U2 is passed. The second capacitor C2 is grounded, and the output end of the linear buck chip U2 is sequentially grounded through the first diode D and the third capacitor C3. The collector of the second NPN transistor Q2 passes through the first resistor R1 and the linear buck chip U2. The output end of the second NPN transistor Q2 is grounded through the second resistor R2 and the third resistor R3. The base of the second NPN transistor Q2 passes through the fourth resistor R4 and the output terminal of the inverter U1. Electrically connected, the collector of the first NPN transistor Q1 is electrically connected to the emitter of the second NPN transistor Q2, and the base of the first NPN transistor Q1 is electrically connected to the base of the second NPN transistor Q2, the first NPN The base of the transistor Q1 is grounded through the fifth resistor R5. The emitter of an NPN transistor Q1 is grounded; the sixth resistor R6 is connected between the first input of the inverter U1 and the second input of the inverter U1, and the second input of the inverter U1 passes the seventh The resistor R7 is electrically connected to the positive terminal of the working power supply of the inverter U1, and the positive terminal of the operating power of the inverter U1 is connected between the first diode D and the third capacitor C3; the first output of the microcontroller 2 is The second input end of the inverter U1 is electrically connected; the DC boosting module 4 is grounded through the inductor L, the fourth capacitor C4 and the fifth capacitor C5 in sequence, and the drain of the MOS transistor Q3 is connected between the inductor L and the fourth capacitor C4. The gate of the MOS transistor Q3 is connected between the second resistor R2 and the third resistor R3, and the first end of the ultrasonic atomizing sheet J is connected between the fourth capacitor C4 and the fifth capacitor C5, and the ultrasonic atomizing sheet J is The second terminal and the source of the MOS transistor Q3 are both electrically connected to the voltage detecting module 5.

高频他激式激励模块3是由信号驱动部分和高频振荡部分组成。信号驱动部分由反相器U1、第六电阻R6、第七电阻R7、第四电阻R4、第五电阻R5、第一电阻R1、第二电阻R2、第三电阻R3、第二NPN型三极管Q2和第一NPN型三极管Q1组成。微控制器2输出的PWM信号通过反相器U1反相整形成为稳定的方波信号,同时提供足够的驱动电流来驱动由第二NPN型三极管Q2和第一NPN型三极管Q1组成的图腾电路。在PWM的低电平期间,第二NPN型三极管Q2导通驱动后级高频MOS管Q3工作,在PWM的高电平期间,高频MOS管Q3的栅极电平通过第一NPN型三极管Q1导通到地快速放电,可以快速关断高频MOS管Q3。微控制器2输出由低频调制过的高频波经过他激式激励模块3,驱动高频MOS管Q3,将电能通过LC网络传递到超声雾化片J,使其达到谐振状态将烟油雾化。The high frequency excitation excitation module 3 is composed of a signal driving portion and a high frequency oscillation portion. The signal driving part is composed of an inverter U1, a sixth resistor R6, a seventh resistor R7, a fourth resistor R4, a fifth resistor R5, a first resistor R1, a second resistor R2, a third resistor R3, and a second NPN transistor Q2. It is composed of a first NPN type transistor Q1. The PWM signal outputted by the microcontroller 2 is inversely shaped by the inverter U1 into a stable square wave signal while providing sufficient drive current to drive the totem circuit composed of the second NPN transistor Q2 and the first NPN transistor Q1. During the low period of the PWM, the second NPN transistor Q2 is turned on to drive the high-frequency MOS transistor Q3 of the latter stage. During the high period of the PWM, the gate level of the high-frequency MOS transistor Q3 passes through the first NPN transistor. Q1 is turned on to the ground for rapid discharge, which can quickly turn off the high frequency MOS transistor Q3. The microcontroller 2 outputs a high frequency wave modulated by the low frequency through the excitation circuit module 3, drives the high frequency MOS transistor Q3, and transmits the electric energy to the ultrasonic atomizing sheet J through the LC network to make it reach a resonance state to atomize the oil.

所述电压检测模块5包括第六电容C6、第七电容C7、第八电容C8、第八电阻R8、第九电阻R9和第十电阻R10,其中第十电阻R10为采样电阻,第八电阻R8、第九电阻R9、第八电容C8、第七电阻R7和第六电阻R6组成二阶RC滤波网络。超声雾化片J的第二端和MOS管Q3的源极均通过第十电阻R10接地,超声雾化片J的第二端和MOS管Q3的源极均依次通过第九电阻R9和第八电阻R8与微控制器2的第一输入端电连接;第六电容C6的一端接在第八电阻R8与微控制器2的第一输入端之间,第六电容C6的另一端接地;第七电容C7的一端和第八电容C8的一端均接在第八电阻R8与第九电阻R9之间,第七电容C7的另一端和第八电容C8的另一端均接地。通过电压检测模块5可以检测超声雾化片J是否处于谐振状态。The voltage detecting module 5 includes a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, an eighth resistor R8, a ninth resistor R9, and a tenth resistor R10, wherein the tenth resistor R10 is a sampling resistor, and the eighth resistor R8 The ninth resistor R9, the eighth capacitor C8, the seventh resistor R7 and the sixth resistor R6 form a second-order RC filter network. The second end of the ultrasonic atomizing sheet J and the source of the MOS tube Q3 are grounded through the tenth resistor R10, and the second end of the ultrasonic atomizing sheet J and the source of the MOS tube Q3 are sequentially passed through the ninth resistor R9 and the eighth The resistor R8 is electrically connected to the first input end of the microcontroller 2; one end of the sixth capacitor C6 is connected between the eighth resistor R8 and the first input end of the microcontroller 2, and the other end of the sixth capacitor C6 is grounded; One end of the seventh capacitor C7 and one end of the eighth capacitor C8 are connected between the eighth resistor R8 and the ninth resistor R9, and the other end of the seventh capacitor C7 and the other end of the eighth capacitor C8 are grounded. It is possible to detect whether the ultrasonic atomizing sheet J is in a resonance state by the voltage detecting module 5.

所述频率检测模块7包括第九电容C9、第十电容C10、第十一电容C11、第二二极管D2、第三二极管D3、第十一电阻R11、第十二电阻R12和第十三电阻R13,MOS管Q3的漏极与第三二极管D3的阳极电连接,第九电容C9的一端和第十电容C10的一端均接地,第九电容C9的另一端和第十电容C10的另一端均与第三二极管D3的阴极电连接,第十一电阻R11和第十二电阻R12连成串联支路,所述串联支路的一端与第三二极管D3的阴极电连接,串联支路的另一端接地,第十三电阻R13的一端接入第十一电阻R11和第十二电阻R12之间,第十三电阻R13的另一端通过第十一电容C11接地, 微控制器2的第二输入端接在第十三电阻R13与第十一电容C11之间;第二二极管D2的阳极接在第十一电阻R11和第十二电阻R12之间,第二二极管D2的阴极与电源模块1电连接。The frequency detecting module 7 includes a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11, a second diode D2, a third diode D3, an eleventh resistor R11, a twelfth resistor R12, and a The thirteen resistor R13, the drain of the MOS transistor Q3 is electrically connected to the anode of the third diode D3, one end of the ninth capacitor C9 and one end of the tenth capacitor C10 are grounded, and the other end of the ninth capacitor C9 and the tenth capacitor The other end of C10 is electrically connected to the cathode of the third diode D3, and the eleventh resistor R11 and the twelfth resistor R12 are connected in series, and one end of the series branch and the cathode of the third diode D3 Electrical connection, the other end of the series branch is grounded, one end of the thirteenth resistor R13 is connected between the eleventh resistor R11 and the twelfth resistor R12, and the other end of the thirteenth resistor R13 is grounded through the eleventh capacitor C11. The second input end of the microcontroller 2 is connected between the thirteenth resistor R13 and the eleventh capacitor C11; the anode of the second diode D2 is connected between the eleventh resistor R11 and the twelfth resistor R12, The cathode of the diode D2 is electrically connected to the power module 1.

在频率检测模块7中,第三二极管D3、第十电容C10和第九电容C9构成检波网络,第十一电阻R11和第十二电阻R12形成分压网络,第十三电阻R13和第十一电容C11形成RC滤波网络。检波网络解调出低频频率,通过分压网络降压,再经过RC滤波网络变成稳定的直流电压,此电压与微控制2器输出的驱动信号的占空比和频率高低成比例关系。In the frequency detecting module 7, the third diode D3, the tenth capacitor C10 and the ninth capacitor C9 constitute a detection network, and the eleventh resistor R11 and the twelfth resistor R12 form a voltage dividing network, and the thirteenth resistor R13 and the The eleven capacitor C11 forms an RC filter network. The detection network demodulates the low frequency, and is stepped down by the voltage divider network, and then becomes a stable DC voltage through the RC filter network. This voltage is proportional to the duty cycle and frequency of the drive signal output by the micro control unit.

上面结合附图对本发明的实施例进行了描述,但是本发明并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是局限性的,本领域的普通技术人员在本发明的启示下,在不脱离本发明宗旨和权利要求所保护的范围情况下,还可做出很多形式,这些均属于本发明的保护范围之内。The embodiments of the present invention have been described above with reference to the drawings, but the present invention is not limited to the specific embodiments described above, and the specific embodiments described above are merely illustrative and not limiting, and those skilled in the art In the light of the present invention, many forms may be made without departing from the scope of the invention and the scope of the invention.

Claims (15)

  1. 一种超声雾化片振荡控制电路,其特征在于,包括直流升压模块(4)、他激式激励模块(3)和微控制器(2),电源模块(1)依次通过直流升压模块(4)和他激式激励模块(3)与超声雾化片(J)电连接,他激式激励模块(3)的控制端与微控制器(2)的第一输出端电连接。An ultrasonic atomizing sheet oscillation control circuit is characterized in that it comprises a DC boosting module (4), a heuristic excitation module (3) and a microcontroller (2), and the power module (1) sequentially passes through a DC boosting module. (4) The excitation module (3) is electrically connected to the ultrasonic atomizing sheet (J), and the control end of the excitation module (3) is electrically connected to the first output of the microcontroller (2).
  2. 如权利要求1所述的超声雾化片振荡控制电路,其特征在于,还包括电压检测模块(5),超声雾化片(J)通过电压检测模块(5)与微控制器(2)的第一输入端电连接。The ultrasonic atomizing sheet oscillation control circuit according to claim 1, further comprising a voltage detecting module (5), wherein the ultrasonic atomizing sheet (J) passes through the voltage detecting module (5) and the microcontroller (2) The first input is electrically connected.
  3. 如权利要求2所述的超声雾化片振荡控制电路,其特征在于,还包括频率检测模块(7),频率检测模块(7)的检测端与他激式激励模块(3)电连接,频率检测模块(7)的输出端与微控制器(2)的第二输入端电连接。The ultrasonic atomizing sheet oscillation control circuit according to claim 2, further comprising a frequency detecting module (7), wherein the detecting end of the frequency detecting module (7) is electrically connected to the excitation module (3), and the frequency is The output of the detection module (7) is electrically coupled to the second input of the microcontroller (2).
  4. 如权利要求2所述的超声雾化片振荡控制电路,其特征在于,还包括电流检测模块(6),直流升压模块(4)通过电流检测模块(6)与他激式激励模块(3)电连接,电流检测模块(6)的输出端与微控制器(2)的第三输入端电连接。The ultrasonic atomizing sheet oscillation control circuit according to claim 2, further comprising a current detecting module (6), wherein the DC boosting module (4) passes the current detecting module (6) and the other exciting excitation module (3) The electrical connection, the output of the current detecting module (6) is electrically connected to the third input of the microcontroller (2).
  5. 如权利要求1至4任一项所述的超声雾化片振荡控制电路,其特征在于,所述直流升压模块(4)的控制端与微控制器(2)的第二输出端电连接。The ultrasonic atomizing sheet oscillation control circuit according to any one of claims 1 to 4, characterized in that the control end of the DC boosting module (4) is electrically connected to the second output end of the microcontroller (2) .
  6. 如权利要求1所述的超声雾化片振荡控制电路,其特征在于,所述他激式激励模块(3)包括第一二极管(D1)、第二二极管(D2)、第一电容(C1)、第一电感(L1)和第一MOS管(Q4),所述第一二极管(D1)的阳极与直流升压模块(4)的输出端电连接,第一二极管(D1)的阴极依次通过第一电感(L1)、第一电容(C1)和第二二极管(D2)接地,超声雾化片(J)并联在第二二极管(D2)两端,第一MOS管(Q4)的漏极接入第一电感(L1)与第一电容(C1)之间,第一MOS管(Q4)的源极接地,第一MOS管(Q4)的栅极与微控制器(2)的第一输出端电连接。The ultrasonic atomizing sheet oscillation control circuit according to claim 1, wherein said excitation excitation module (3) comprises a first diode (D1), a second diode (D2), and a first a capacitor (C1), a first inductor (L1), and a first MOS transistor (Q4), wherein an anode of the first diode (D1) is electrically connected to an output end of the DC boost module (4), and the first diode The cathode of the tube (D1) is grounded through the first inductor (L1), the first capacitor (C1) and the second diode (D2) in turn, and the ultrasonic atomizing sheet (J) is connected in parallel to the second diode (D2). The drain of the first MOS transistor (Q4) is connected between the first inductor (L1) and the first capacitor (C1), the source of the first MOS transistor (Q4) is grounded, and the first MOS transistor (Q4) is The gate is electrically coupled to the first output of the microcontroller (2).
  7. 如权利要求1所述的超声雾化片振荡控制电路,其特征在于,所述他激式激励模块(3)包括电阻(R)、第二电容(C2)、第三电容(C3)、第二电感(L2)和第二MOS管(Q5),直流升压模块(4)依次通过第二电感(L2)、第三电容(C3)和第二电容(C2)接地, 第二MOS管(Q5)的漏极接入第二电感(L2)与第三电容(C3)之间,第二MOS管(Q5)的源极通过电阻(R)接地,第二MOS管(Q5)的栅极与微控制器(2)的第一输出端电连接,超声雾化片(J)的一端接入第二电容(C2)与第三电容(C3)之间,超声雾化片(J)的另一端接入第二MOS管(Q5)的漏极与电阻(R)之间。The ultrasonic atomizing sheet oscillation control circuit according to claim 1, wherein said excitation excitation module (3) comprises a resistor (R), a second capacitor (C2), and a third capacitor (C3), The second inductor (L2) and the second MOS transistor (Q5), the DC boost module (4) is grounded through the second inductor (L2), the third capacitor (C3), and the second capacitor (C2) in sequence, and the second MOS transistor ( The drain of Q5) is connected between the second inductor (L2) and the third capacitor (C3), the source of the second MOS transistor (Q5) is grounded through the resistor (R), and the gate of the second MOS transistor (Q5) Electrically connected to the first output end of the microcontroller (2), one end of the ultrasonic atomizing sheet (J) is connected between the second capacitor (C2) and the third capacitor (C3), and the ultrasonic atomizing sheet (J) The other end is connected between the drain of the second MOS transistor (Q5) and the resistor (R).
  8. 如权利要求4所述的超声雾化片振荡控制电路,其特征在于,所述他激式激励模块(3)包括线性降压芯片(U2)、反相器(U1)、第一NPN型三极管(Q1)、第二NPN型三极管(Q2)和MOS管(Q3),电源模块(1)通过第一电容(C1)接地,线性降压芯片(U2)的输入端接入电源模块(1)与第一电容(C1)之间,线性降压芯片(U2)的输出端通过第二电容(C2)接地,线性降压芯片(U2)的输出端还依次通过二极管(D)与第三电容(C3)接地,第二NPN型三极管(Q2)的集电极通过第一电阻(R1)与线性降压芯片(U2)的输出端电连接,第二NPN型三极管(Q2)的发射极依次通过第二电阻(R2)和第三电阻(R3)接地,第二NPN型三极管(Q2)的基极通过第四电阻(R4)与反相器(U1)的输出端电连接,第一NPN型三极管(Q1)的集电极与第二NPN型三极管(Q2)的发射极电连接,第一NPN型三极管(Q1)的基极与第二NPN型三极管(Q2)的基极电连接,第一NPN型三极管(Q1)的基极通过第五电阻(R5)接地,第一NPN型三极管(Q1)的发射极接地;第六电阻(R6)接在反相器(U1)的第一输入端与反相器(U1)的第二输入端之间,反相器(U1)的第二输入端通过第七电阻(R7)与反相器(U1)的工作电源正端电连接,反相器(U1)的工作电源正端接入二极管(D)与第三电容(C3)之间;微控制器(2)的第一输出端与反相器(U1)的第二输入端电连接;直流升压模块(4)依次通过电感(L)、第四电容(C4)和第五电容(C5)接地,MOS管(Q3)的漏极接入电感(L)与第四电容(C4)之间,MOS管(Q3)的栅极接入第二电阻(R2)与第三电阻(R3)之间,超声雾化片(J)的第一端接入第四电容(C4)与第五电容(C5)之间,超声雾化片(J)的第二端和MOS管(Q3)的源极均与电压检测模块(5)电连接。The ultrasonic atomizing sheet oscillation control circuit according to claim 4, wherein said excitation pumping module (3) comprises a linear step-down chip (U2), an inverter (U1), and a first NPN type transistor. (Q1), the second NPN transistor (Q2) and the MOS transistor (Q3), the power module (1) is grounded through the first capacitor (C1), and the input end of the linear buck chip (U2) is connected to the power module (1) Between the first capacitor (C1), the output of the linear buck chip (U2) is grounded through the second capacitor (C2), and the output of the linear buck chip (U2) is sequentially passed through the diode (D) and the third capacitor. (C3) grounding, the collector of the second NPN type transistor (Q2) is electrically connected to the output end of the linear step-down chip (U2) through the first resistor (R1), and the emitter of the second NPN type transistor (Q2) is sequentially passed The second resistor (R2) and the third resistor (R3) are grounded, and the base of the second NPN transistor (Q2) is electrically connected to the output end of the inverter (U1) through the fourth resistor (R4), the first NPN type The collector of the triode (Q1) is electrically connected to the emitter of the second NPN transistor (Q2), and the base of the first NPN transistor (Q1) is electrically connected to the base of the second NPN transistor (Q2), first NPN type triode (Q 1) The base is grounded through a fifth resistor (R5), the emitter of the first NPN transistor (Q1) is grounded; the sixth resistor (R6) is connected to the first input of the inverter (U1) and the inverter Between the second input of (U1), the second input of the inverter (U1) is electrically connected to the positive terminal of the operating power supply of the inverter (U1) through the seventh resistor (R7), and the inverter (U1) The working power positive terminal is connected between the diode (D) and the third capacitor (C3); the first output of the microcontroller (2) is electrically connected to the second input of the inverter (U1); The module (4) is grounded through the inductor (L), the fourth capacitor (C4), and the fifth capacitor (C5) in sequence, and the drain of the MOS transistor (Q3) is connected between the inductor (L) and the fourth capacitor (C4). The gate of the MOS transistor (Q3) is connected between the second resistor (R2) and the third resistor (R3), and the first end of the ultrasonic atomizing sheet (J) is connected to the fourth capacitor (C4) and the fifth capacitor ( Between C5), the second end of the ultrasonic atomizing sheet (J) and the source of the MOS tube (Q3) are electrically connected to the voltage detecting module (5).
  9. 如权利要求8所述的超声雾化片振荡控制电路,其特征在于,所述电压检测模块(5)包括第六电容(C6)、第七电容(C7)、第八电容(C8)、第八电阻(R8)、第九电阻(R9)和第十电阻(R10),超声雾化片(J)的第二端和MOS管(Q3)的源极均通过第十电阻 (R10)接地,超声雾化片(J)的第二端和MOS管(Q3)的源极均依次通过第九电阻(R9)和第八电阻(R8)与微控制器(2)的第一输入端电连接;第六电容(C6)的一端接在第八电阻(R8)与微控制器(2)的第一输入端之间,第六电容(C6)的另一端接地;第七电容(C7)的一端和第八电容(C8)的一端均接在第八电阻(R8)与第九电阻(R9)之间,第七电容(C7)的另一端和第八电容(C8)的另一端均接地。The ultrasonic atomizing sheet oscillation control circuit according to claim 8, wherein the voltage detecting module (5) comprises a sixth capacitor (C6), a seventh capacitor (C7), and an eighth capacitor (C8), The eighth resistor (R8), the ninth resistor (R9), and the tenth resistor (R10), the second end of the ultrasonic atomizing sheet (J) and the source of the MOS tube (Q3) are grounded through the tenth resistor (R10). The second end of the ultrasonic atomizing sheet (J) and the source of the MOS tube (Q3) are sequentially electrically connected to the first input end of the microcontroller (2) through the ninth resistor (R9) and the eighth resistor (R8). One end of the sixth capacitor (C6) is connected between the eighth resistor (R8) and the first input end of the microcontroller (2), and the other end of the sixth capacitor (C6) is grounded; the seventh capacitor (C7) One end of the first capacitor and the eighth capacitor (C8) are connected between the eighth resistor (R8) and the ninth resistor (R9), and the other end of the seventh capacitor (C7) and the other end of the eighth capacitor (C8) are grounded. .
  10. 如权利要求4所述的超声雾化片振荡控制电路,其特征在于,所述电流检测模块(6)包括运算放大器(U3)、第九电容(C9)、第十电容(C10)、第十一电容(C11)、第十二电容(C12)、第十一电阻(R11)、第十二电阻(R12)、第十三电阻(R13)和第十四电阻(R14),第九电容(C9)的一端和第十电容(C10)的一端均接在直流升压模块(4)与第十一电阻(R11)的一端之间,第九电容(C9)的另一端和第十电容(C10)的另一端均接地,第十一电阻(R11)的另一端与他激式激励模块(3)相连且通过第十四电阻(R14)与运算放大器(U3)的反相输入端电连接,运算放大器(U3)的同相输入端通过第十二电阻(R12)与直流升压模块(4)电连接,运算放大器(U3)的输出端通过第十三电阻(R13)与微控制器(2)的第三输入端电连接,微控制器(2)的第三输入端还通过第十一电容(C11)接地;运算放大器(U3)的工作电源正端通过第十二电容(C12)接地。The ultrasonic atomizing sheet oscillation control circuit according to claim 4, wherein said current detecting module (6) comprises an operational amplifier (U3), a ninth capacitor (C9), a tenth capacitor (C10), and a tenth a capacitor (C11), a twelfth capacitor (C12), an eleventh resistor (R11), a twelfth resistor (R12), a thirteenth resistor (R13), and a fourteenth resistor (R14), and a ninth capacitor ( One end of C9) and one end of the tenth capacitor (C10) are connected between the DC boost module (4) and one end of the eleventh resistor (R11), and the other end of the ninth capacitor (C9) and the tenth capacitor ( The other end of C10) is grounded, and the other end of the eleventh resistor (R11) is connected to the excitation module (3) and is electrically connected to the inverting input of the operational amplifier (U3) through the fourteenth resistor (R14). The non-inverting input of the operational amplifier (U3) is electrically connected to the DC boost module (4) through the twelfth resistor (R12), and the output of the operational amplifier (U3) passes through the thirteenth resistor (R13) and the microcontroller ( 2) The third input is electrically connected, the third input of the microcontroller (2) is also grounded through the eleventh capacitor (C11); the positive terminal of the operational amplifier (U3) is passed through the twelfth capacitor (C12) Connect .
  11. 如权利要求4所述的超声雾化片振荡控制电路,其特征在于,所述电流检测模块(6)包括霍尔电流传感器(U4)、第十三电容(C13)、第十四电容(C14)、第十五电容(C15)、第十六电容(C16)和第十五电阻(R15),第十三电容(C13)的一端和第十四电容(C14)的一端均与直流升压模块(4)电连接,第十三电容(C13)的另一端和第十四电容(C14)的另一端均接地,直流升压模块(4)通过霍尔电流传感器(U4)与他激式激励模块(3)电连接,霍尔电流传感器(U4)的输出端依次通过第十五电阻(R15)和第十六电容(C16)接地,微控制器(2)的第三输入端接在第十五电阻(R15)与第十六电容(C16)之间,霍尔电流传感器(U4)的工作电源正端通过第十五电容(C15)接地。The ultrasonic atomizing sheet oscillation control circuit according to claim 4, wherein the current detecting module (6) comprises a Hall current sensor (U4), a thirteenth capacitor (C13), and a fourteenth capacitor (C14). ), the fifteenth capacitor (C15), the sixteenth capacitor (C16), and the fifteenth resistor (R15), one end of the thirteenth capacitor (C13) and one end of the fourteenth capacitor (C14) are both DC boosted The module (4) is electrically connected, the other end of the thirteenth capacitor (C13) and the other end of the fourteenth capacitor (C14) are grounded, and the DC boosting module (4) is excited by the Hall current sensor (U4) The excitation module (3) is electrically connected, and the output end of the Hall current sensor (U4) is grounded through the fifteenth resistor (R15) and the sixteenth capacitor (C16) in turn, and the third input end of the microcontroller (2) is connected Between the fifteenth resistor (R15) and the sixteenth capacitor (C16), the positive terminal of the operating current of the Hall current sensor (U4) is grounded through the fifteenth capacitor (C15).
  12. 如权利要求3所述的超声雾化片振荡控制电路,其特征在于,所述他激式激励模块(3)包括线性降压芯片(U2)、反相器(U1)、 第一NPN型三极管(Q1)、第二NPN型三极管(Q2)和MOS管(Q3),电源模块(1)通过第一电容(C1)接地,线性降压芯片(U2)的输入端接入电源模块(1)与第一电容(C1)之间,线性降压芯片(U2)的输出端通过第二电容(C2)接地,线性降压芯片(U2)的输出端还依次通过第一二极管(D)与第三电容(C3)接地,第二NPN型三极管(Q2)的集电极通过第一电阻(R1)与线性降压芯片(U2)的输出端电连接,第二NPN型三极管(Q2)的发射极依次通过第二电阻(R2)和第三电阻(R3)接地,第二NPN型三极管(Q2)的基极通过第四电阻(R4)与反相器(U1)的输出端电连接,第一NPN型三极管(Q1)的集电极与第二NPN型三极管(Q2)的发射极电连接,第一NPN型三极管(Q1)的基极与第二NPN型三极管(Q2)的基极电连接,第一NPN型三极管(Q1)的基极通过第五电阻(R5)接地,第一NPN型三极管(Q1)的发射极接地;第六电阻(R6)接在反相器(U1)的第一输入端与反相器(U1)的第二输入端之间,反相器(U1)的第二输入端通过第七电阻(R7)与反相器(U1)的工作电源正端电连接,反相器(U1)的工作电源正端接入第一二极管(D)与第三电容(C3)之间;微控制器(2)的第一输出端与反相器(U1)的第二输入端电连接;直流升压模块(4)依次通过电感(L)、第四电容(C4)和第五电容(C5)接地,MOS管(Q3)的漏极接入电感(L)与第四电容(C4)之间,MOS管(Q3)的栅极接入第二电阻(R2)与第三电阻(R3)之间,超声雾化片(J)的第一端接入第四电容(C4)与第五电容(C5)之间,超声雾化片(J)的第二端和MOS管(Q3)的源极均与电压检测模块(5)电连接。The ultrasonic atomizing sheet oscillation control circuit according to claim 3, wherein said excitation excitation module (3) comprises a linear step-down chip (U2), an inverter (U1), and a first NPN type transistor (Q1), the second NPN transistor (Q2) and the MOS transistor (Q3), the power module (1) is grounded through the first capacitor (C1), and the input end of the linear buck chip (U2) is connected to the power module (1) Between the first capacitor (C1), the output of the linear buck chip (U2) is grounded through the second capacitor (C2), and the output of the linear buck chip (U2) is sequentially passed through the first diode (D). Grounded to the third capacitor (C3), the collector of the second NPN transistor (Q2) is electrically connected to the output of the linear buck chip (U2) through the first resistor (R1), and the second NPN transistor (Q2) The emitter is grounded through the second resistor (R2) and the third resistor (R3) in sequence, and the base of the second NPN transistor (Q2) is electrically connected to the output of the inverter (U1) through the fourth resistor (R4). The collector of the first NPN transistor (Q1) is electrically connected to the emitter of the second NPN transistor (Q2), and the base of the first NPN transistor (Q1) and the base of the second NPN transistor (Q2) are electrically connected. Connection, first NPN type three The base of the tube (Q1) is grounded through a fifth resistor (R5), the emitter of the first NPN transistor (Q1) is grounded, and the sixth resistor (R6) is connected to the first input of the inverter (U1) and the opposite Between the second input of the phase (U1), the second input of the inverter (U1) is electrically connected to the positive terminal of the operating power supply of the inverter (U1) through the seventh resistor (R7), the inverter ( The working power positive terminal of U1) is connected between the first diode (D) and the third capacitor (C3); the first output end of the microcontroller (2) and the second input end of the inverter (U1) Electrical connection; the DC boost module (4) is grounded through the inductor (L), the fourth capacitor (C4), and the fifth capacitor (C5) in turn, and the drain of the MOS transistor (Q3) is connected to the inductor (L) and the fourth capacitor. Between (C4), the gate of the MOS transistor (Q3) is connected between the second resistor (R2) and the third resistor (R3), and the first end of the ultrasonic atomizing sheet (J) is connected to the fourth capacitor (C4). Between the fifth capacitor (C5), the second end of the ultrasonic atomizing sheet (J) and the source of the MOS tube (Q3) are electrically connected to the voltage detecting module (5).
  13. 如权利要求12所述的超声雾化片振荡控制电路,其特征在于,所述电压检测模块(5)包括第六电容(C6)、第七电容(C7)、第八电容(C8)、第八电阻(R8)、第九电阻(R9)和第十电阻(R10),超声雾化片(J)的第二端和MOS管(Q3)的源极均通过第十电阻(R10)接地,超声雾化片(J)的第二端和MOS管(Q3)的源极均依次通过第九电阻(R9)和第八电阻(R8)与微控制器(2)的第一输入端电连接;第六电容(C6)的一端接在第八电阻(R8)与微控制器(2)的第一输入端之间,第六电容(C6)的另一端接地;第七电容(C7)的一端和第八电容(C8)的一端均接在第八电阻(R8)与第九电阻(R9)之间,第七电容(C7)的另一端和第八电容(C8)的另一端均接地。The ultrasonic atomizing sheet oscillation control circuit according to claim 12, wherein the voltage detecting module (5) comprises a sixth capacitor (C6), a seventh capacitor (C7), and an eighth capacitor (C8), The eighth resistor (R8), the ninth resistor (R9), and the tenth resistor (R10), the second end of the ultrasonic atomizing sheet (J) and the source of the MOS tube (Q3) are grounded through the tenth resistor (R10). The second end of the ultrasonic atomizing sheet (J) and the source of the MOS tube (Q3) are sequentially electrically connected to the first input end of the microcontroller (2) through the ninth resistor (R9) and the eighth resistor (R8). One end of the sixth capacitor (C6) is connected between the eighth resistor (R8) and the first input end of the microcontroller (2), and the other end of the sixth capacitor (C6) is grounded; the seventh capacitor (C7) One end of the first capacitor and the eighth capacitor (C8) are connected between the eighth resistor (R8) and the ninth resistor (R9), and the other end of the seventh capacitor (C7) and the other end of the eighth capacitor (C8) are grounded. .
  14. 如权利要求12所述的超声雾化片振荡控制电路,其特征在于,所述频率检测模块(7)包括第九电容(C9)、第十电容(C10)、第十一电容(C11)、第二二极管(D2)、第三二极管(D3)、第十一电阻(R11)、第十二电阻(R12)和第十三电阻(R13),MOS管(Q3)的漏极与第三二极管(D3)的阳极电连接,第九电容(C9)的一端和第十电容(C10)的一端均接地,第九电容(C9)的另一端和第十电容(C10)的另一端均与第三二极管(D3)的阴极电连接,第十一电阻(R11)和第十二电阻(R12)连成串联支路,所述串联支路的一端与第三二极管(D3)的阴极电连接,串联支路的另一端接地,第十三电阻(R13)的一端接入第十一电阻(R11)和第十二电阻(R12)之间,第十三电阻(R13)的另一端通过第十一电容(C11)接地,微控制器(2)的第二输入端接在第十三电阻(R13)与第十一电容(C11)之间;第二二极管(D2)的阳极接在第十一电阻(R11)和第十二电阻(R12)之间,第二二极管(D2)的阴极与电源模块(1)电连接。The ultrasonic atomizing sheet oscillation control circuit according to claim 12, wherein the frequency detecting module (7) comprises a ninth capacitor (C9), a tenth capacitor (C10), an eleventh capacitor (C11), Second diode (D2), third diode (D3), eleventh resistor (R11), twelfth resistor (R12) and thirteenth resistor (R13), drain of MOS transistor (Q3) Electrically connected to the anode of the third diode (D3), one end of the ninth capacitor (C9) and one end of the tenth capacitor (C10) are grounded, the other end of the ninth capacitor (C9) and the tenth capacitor (C10) The other end is electrically connected to the cathode of the third diode (D3), and the eleventh resistor (R11) and the twelfth resistor (R12) are connected in series, and one end of the series branch and the third two The cathode of the pole tube (D3) is electrically connected, the other end of the series branch is grounded, and one end of the thirteenth resistor (R13) is connected between the eleventh resistor (R11) and the twelfth resistor (R12), the thirteenth The other end of the resistor (R13) is grounded through the eleventh capacitor (C11), and the second input terminal of the microcontroller (2) is connected between the thirteenth resistor (R13) and the eleventh capacitor (C11); The anode of the diode (D2) is connected to the eleventh resistor (R11) and the twelfth Between the resistors (R12), the cathode of the second diode (D2) is electrically connected to the power module (1).
  15. 一种超声波电子烟,其特征在于,包括如权利要求1至14任一项所述的超声雾化片振荡控制电路。An ultrasonic electronic cigarette characterized by comprising the ultrasonic atomizing sheet oscillation control circuit according to any one of claims 1 to 14.
PCT/CN2018/071513 2017-02-24 2018-01-05 Oscillation control circuit of ultrasonic atomization sheet and ultrasonic electronic cigarette WO2018153171A1 (en)

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CN201720170890.XU CN206472855U (en) 2017-02-24 2017-02-24 A kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette
CN201720170890.X 2017-02-24
CN201720171235.6U CN206482029U (en) 2017-02-24 2017-02-24 A kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette
CN201720171231.8 2017-02-24
CN201720171231.8U CN206482028U (en) 2017-02-24 2017-02-24 A kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette
CN201720171235.6 2017-02-24

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100200008A1 (en) * 2009-02-09 2010-08-12 Eli Taieb E-Cigarette With Vitamin Infusion
CN203421793U (en) * 2013-05-29 2014-02-05 珠海格力电器股份有限公司 External-excitation type ultrasonic atomization control circuit
CN103604189A (en) * 2013-05-29 2014-02-26 珠海格力电器股份有限公司 Separately excited ultrasonic atomization control circuit
CN203643774U (en) * 2013-12-13 2014-06-11 深圳市合元科技有限公司 Electronic cigarette
CN105661649A (en) * 2016-03-14 2016-06-15 深圳市合元科技有限公司 Smoke generator and smoke generating method
CN105852228A (en) * 2016-06-21 2016-08-17 湖南中烟工业有限责任公司 Control method and system for ultrasonic circuit of electronic cigarette
CN206472855U (en) * 2017-02-24 2017-09-08 湖南中烟工业有限责任公司 A kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette
CN206482029U (en) * 2017-02-24 2017-09-12 湖南中烟工业有限责任公司 A kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette
CN206482028U (en) * 2017-02-24 2017-09-12 湖南中烟工业有限责任公司 A kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8441210B2 (en) * 2006-01-20 2013-05-14 Point Somee Limited Liability Company Adaptive current regulation for solid state lighting

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100200008A1 (en) * 2009-02-09 2010-08-12 Eli Taieb E-Cigarette With Vitamin Infusion
CN203421793U (en) * 2013-05-29 2014-02-05 珠海格力电器股份有限公司 External-excitation type ultrasonic atomization control circuit
CN103604189A (en) * 2013-05-29 2014-02-26 珠海格力电器股份有限公司 Separately excited ultrasonic atomization control circuit
CN203643774U (en) * 2013-12-13 2014-06-11 深圳市合元科技有限公司 Electronic cigarette
CN105661649A (en) * 2016-03-14 2016-06-15 深圳市合元科技有限公司 Smoke generator and smoke generating method
CN105852228A (en) * 2016-06-21 2016-08-17 湖南中烟工业有限责任公司 Control method and system for ultrasonic circuit of electronic cigarette
CN206472855U (en) * 2017-02-24 2017-09-08 湖南中烟工业有限责任公司 A kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette
CN206482029U (en) * 2017-02-24 2017-09-12 湖南中烟工业有限责任公司 A kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette
CN206482028U (en) * 2017-02-24 2017-09-12 湖南中烟工业有限责任公司 A kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3569078A4 *

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